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Cape Canaveral LC17B

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First Launch: 1957-01-26. Last Launch: 2011-09-10. Number: 166 . Longitude: -80.57 deg. Latitude: 28.45 deg.

This dual launch pad complex was built for the Thor ballistic missile program in 1956. Pad 17A supported its first Thor launch on 30 August 1957, and Pad 17B supported its first Thor launch on 25 January 1957. In addition to Thor missile launches, Complex 17 began supporting space launches in the late 1950s. The site was modified in the early 1960s to support a whole host of launch vehicles derived from the basic Thor booster. Thirty-five Delta missions were launched from Complex 17 between the beginning of 1960 and the end of 1965. Six ASSET (Aerothermodynamic/Elastic Structural Systems Environmental Test) launches were also conducted at Complex 17 between 18 September 1963 and 24 February 1965. The Air Force transferred Complex 17 to NASA in the spring of 1965, but the site was returned to the Air Force in October 1988 to support the Delta II program. As Delta II launches continued over the next decade, Pad 17B was modified in 1997 to support a new, more powerful launch vehicle - the Delta III. In all, Complex 17 supported 274 major missile and space launches between January 1957 and the end of October 1998.

• Series I research and development launch - . Nation: USA. Agency: USAF. Apogee: 0 km (0 mi). First attempted test flight of USAF Thor IRBM, only 13 months after first production contracts were signed, failed to launch. The first attempt failed when the vehicle lost thrust immediately after liftoff..

• Series I research and development launch - . Nation: USA. Agency: USAF. Apogee: 0 km (0 mi).

  The second Thor flight test missile launched on the Atlantic Missile Range (AMR) was successful until the Range Safety Officer (RSO) accidentally destroyed the missile. Douglas Thor IRBM (XSM-75) was launched at Cape Canaveral, Fla., destroyed by range safety officer. The missile was actually on course throughout its flight. The console wiring error led the range safety officer to believe it was headed inland rather than out to sea, so he hit the destruct button.

• Research and development Series I (padex) test - . Nation: USA. Agency: USAF. Apogee: 0 km (0 mi).

• Series I research and development launch - . Nation: USA. Agency: USAF. Apogee: 520 km (320 mi).

  First fully successful test flight of Thor intermediate range ballistic missile. (AF Ballistic Missiles Program Status Report.) After four failures, the fifth Thor flight test missile (#105) successfully demonstrated all on-board systems. The engine operated 137 seconds to automatic shutdown, and missile impacted 1,300 nautical miles down range from Cape Canaveral. Complete USAF Thor IRBM first successfully launched from Cape Canaveral. Dummy Warhead sent to 1800 km range.

• Series I research and development launch - . Nation: USA. Agency: USAF. Apogee: 520 km (320 mi). The second successful Thor flight test missile was launched from Cape Canaveral, Florida, and attained its design range of 1,500 miles. Thor missile launched at Cape Canaveral, the second tested, achieved its designed 1,500-mile range..

• Research and development Series II test - . Nation: USA. Agency: USAF. Apogee: 520 km (320 mi).

• Research and development Series II test - . Nation: USA. Agency: USAF. Apogee: 0 km (0 mi). Copper heatsink nose cone.

• Research and development Series II test - . Nation: USA. Agency: USAF. Apogee: 0 km (0 mi).

• Research and development Series III test - . Nation: USA. Agency: USAF. Apogee: 520 km (320 mi).

• Research and development Series III test - . Nation: USA. Agency: USAF. Apogee: 520 km (320 mi).

• Research and development Series III test - . Nation: USA. Agency: USAF. Apogee: 0 km (0 mi).

• Series IV research and development launch - . Nation: USA. Agency: USAF. Apogee: 520 km (320 mi). The initial launch of an operationally configured Thor IRBM (SM-75) was conducted at Cape Canaveral, but the missile had to be destroyed at T+35 seconds after the pitch attitude gyro malfunctioned. .

• Series IV research and development launch - . Nation: USA. Agency: USAF. Apogee: 520 km (320 mi). First operational launch.

• Series IV research and development launch - . Nation: USA. Agency: USAF. Apogee: 520 km (320 mi).

• Series IV research and development launch - . Nation: USA. Agency: USAF. Apogee: 520 km (320 mi).

• Series IV research and development launch - . Nation: USA. Agency: USAF. Apogee: 520 km (320 mi).

• Series IV research and development launch - . Nation: USA. Agency: USAF. Apogee: 520 km (320 mi). Fourth recovery of a data capsule at AMR, USAF Thor 1,500-mile accuracy test flight..

• Series IV research and development launch - . Nation: USA. Agency: USAF. Apogee: 520 km (320 mi).

• Series IV Lofted Trajectory research and development mission - . Nation: USA. Agency: USAF. Apogee: 1,000 km (600 mi).

• Series IV research and development launch - . Nation: USA. Agency: USAF. Apogee: 1.00 km (0.60 mi).

• Series IV research and development launch - . Nation: USA. Agency: USAF. Apogee: 520 km (320 mi).

• Series IV research and development launch - . Nation: USA. Agency: USAF. Apogee: 520 km (320 mi).

• Series IV research and development launch/Ionosphere/Meteorites mission - . Nation: USA. Agency: USAF. Apogee: 520 km (320 mi).

• Series IV research and development launch - . Nation: USA. Agency: USAF. Apogee: 520 km (320 mi).

• Series IV research and development launch/Meteorites mission - . Nation: USA. Agency: USAF. Apogee: 520 km (320 mi).

• Series IV research and development launch - . Nation: USA. Agency: USAF. Apogee: 520 km (320 mi).

• Series IV research and development launch/Meteorites mission - . Nation: USA. Agency: USAF. Apogee: 520 km (320 mi). Flight testing of the Thor IRBM was completed with the launch of Thor 217 from Pad 18B at Cape Canaveral, Florida. .

• Transit 1B - . Mass: 121 kg (266 lb). Nation: USA. Agency: DARPA. Program: Transit. Class: Navigation. Type: Navigation satellite. Spacecraft: Transit. Duration: 89.00 days. Decay Date: 1967-10-05 . USAF Sat Cat: 31 . COSPAR: 1960-Gamma-2. Apogee: 644 km (400 mi). Perigee: 363 km (225 mi). Inclination: 51.20 deg. Period: 94.60 min.

  The first Thor/Ablestar launched from Cape Canaveral placed the Navy's Transit IB navigation satellite into orbit. This was the first navigation satellite to be placed in orbit. The Ablestar upper stage demonstrated the first engine restart in space. The Able-Star second stage demonstrated the first engine restart in space and the feasibility of using satellites as navigational aids. The first experimental Transit satellite to achieve orbit operated for 89 days. It transmitted on two frequency pairs to test the technique for refraction correction and to determine if the transmitted frequencies should be close together or far apart. It also tested a magnetic torque device for spacecraft attitude control - the first satellite to do so.

• Dummy subsatellite - . Payload: GRAB dummy. Mass: 18 kg (39 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: SIGINT. Spacecraft: GRAB. Decay Date: 1960-07-17 . USAF Sat Cat: 33 . COSPAR: 1960-Gamma-3. Apogee: 615 km (382 mi). Perigee: 285 km (177 mi). Inclination: 51.30 deg. Period: 93.60 min. Mass model of GRAB ELINT satellite..

• Transit 2A - . Mass: 101 kg (222 lb). Nation: USA. Agency: USN. Program: Transit. Class: Navigation. Type: Navigation satellite. Spacecraft: Transit. USAF Sat Cat: 45 . COSPAR: 1960-Eta-1. Apogee: 988 km (613 mi). Perigee: 604 km (375 mi). Inclination: 66.70 deg. Period: 100.80 min.

  A Thor/Ablestar booster placed a U.S. Navy Transit IIA research and development navigation satellite into orbit using the Ablestar second stage with a restart engine. A smaller parasitic radiation-measuring satellite, the Galactic Radiation Experiment Background (GREB), was also placed into orbit. This was the first time two satellites had been carried in "piggyback" alignment on a single booster. Also returned geodetic data. Similar to Transit 1B, it transmitted until 26 October 1962. A planned Transit 2B was considered redundant and never built.

• Solrad 1 - . Payload: Grab 1. Mass: 19 kg (41 lb). Nation: USA. Agency: USN. Class: Surveillance. Type: SIGINT. Spacecraft: GRAB. USAF Sat Cat: 46 . COSPAR: 1960-Eta-2. Apogee: 935 km (580 mi). Perigee: 596 km (370 mi). Inclination: 66.70 deg. Period: 100.20 min.

  ELINT satellite, retransmitting to US ground stations signals from Soviet radar stations. Classified at time; official purpose and secondary payload collected solar radiation data. Officially: Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B).

• Courier 1A - . Mass: 225 kg (496 lb). Nation: USA. Agency: DARPA. Class: Communications. Type: Military communications satellite. Spacecraft: Courier. Decay Date: 1960-08-18 . Discoverer XIV was launched from Vandenberg AFB aboard a Thor/Agena A booster.' Experimental communications sattelite..

• Courier 1B - . Mass: 230 kg (500 lb). Nation: USA. Agency: US Army. Class: Technology. Type: Communications technology satellite. Spacecraft: Courier. USAF Sat Cat: 58 . COSPAR: 1960-Nu-1. Apogee: 1,214 km (754 mi). Perigee: 967 km (600 mi). Inclination: 28.30 deg. Period: 107.10 min. Experimental communications. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). .

• Transit 3A - . Mass: 91 kg (200 lb). Nation: USA. Agency: USN. Program: Transit. Class: Navigation. Type: Navigation satellite. Spacecraft: Transit. Decay Date: 1960-11-30 . Destroyed by range safety; launched with Solrad 2. Thor shut down too early..

• Solrad 2 - . Payload: Grab B. Mass: 18 kg (39 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: SIGINT. Spacecraft: GRAB. ELINT satellite..

• Transit 3B - . Mass: 112 kg (246 lb). Nation: USA. Agency: USN. Program: Transit. Class: Navigation. Type: Navigation satellite. Spacecraft: Transit. Decay Date: 1961-02-22 . USAF Sat Cat: 87 . COSPAR: 1961-Eta-1. Apogee: 225 km (139 mi). Perigee: 135 km (83 mi). Inclination: 28.40 deg. Period: 88.10 min.

  Lofti 1 piggyback payload did not separate. Nevertheless Transit 3B returned useful data needed for design of the operational satellites. It carried a digital clock driven by the same oscillator that drove the transmitters. It transmitted timing signals governed by the clock and a 384-bit memory. This allowed testing of the techniques for loading the memory from the ground, the ability of the memory to hold a message in orbit, and the ability to encode the memory contents by means of a frequency modulation on one of the main transmitters. It was also shown that �60� phase modulation could be used to transmit the contents of the satellite memory without degradation of the accuracy of the Doppler signal and Doppler measurements.

• Lofti 1 - . Mass: 25 kg (55 lb). Nation: USA. Agency: USN. Program: Transit. Class: Navigation. Type: Navigation satellite. Spacecraft: Transit. Decay Date: 1961-03-30 . USAF Sat Cat: 87 . COSPAR: 1961-Eta-2. Apogee: 983 km (610 mi). Perigee: 188 km (116 mi). Inclination: 28.30 deg. Period: 96.40 min. Failed to separate from Transit 3B..

• Lofti - . Mass: 26 kg (57 lb). Nation: USA. Agency: USAF. Spacecraft: Lofti. COSPAR: 1961-Eta-xx.

• Transit 4A - . Mass: 79 kg (174 lb). Nation: USA. Agency: USN. Program: Transit. Class: Navigation. Type: Navigation satellite. Spacecraft: Transit. USAF Sat Cat: 116 . COSPAR: 1961-Omicron-1. Apogee: 986 km (612 mi). Perigee: 865 km (537 mi). Inclination: 66.80 deg. Period: 103.50 min. Transits 4A and 4B were drum-shaped instead of spherical to provide more space for solar cells. In addition, operational 150-and 400-MHz frequencies were used for the first time. Carried SNAP-3A nuclear power source..

• Solrad 3 - . Payload: Grab 2. Mass: 18 kg (39 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: SIGINT. Spacecraft: GRAB. COSPAR: 1961-Omicron-xx. ELINT satellite, retransmitting to US ground stations signals from Soviet radar stations. Classified at time; official purpose and secondary payload collected solar radiation data..

• Injun 1 - . Mass: 25 kg (55 lb). Nation: USA. Agency: USN. Class: Earth. Type: Magnetosphere satellite. Spacecraft: Injun. USAF Sat Cat: 117 . COSPAR: 1961-Omicron-2. Apogee: 992 km (616 mi). Perigee: 869 km (539 mi). Inclination: 66.80 deg. Period: 103.60 min. Dual launch; failed to separate from Solrad 3; still returned radiation data. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A). .

• Transit 4B - . Mass: 86 kg (189 lb). Nation: USA. Agency: USN. Program: Transit. Class: Navigation. Type: Navigation satellite. Spacecraft: Transit. USAF Sat Cat: 202 . COSPAR: 1961-A-Eta-1. Apogee: 1,104 km (685 mi). Perigee: 953 km (592 mi). Inclination: 32.40 deg. Period: 105.70 min.

  Together, Transits 4A and 4B allowed the determination of harmonics in the Earth's gravity field that had not yet been evaluated, and they also allowed firm navigational ties to be established from continent to continent as well as to isolated islands. As a result, it was discovered that the position of Hawaii was incorrect by 1 km. Carried SNAP 3 nuclear power source.

• TRAAC - . Mass: 109 kg (240 lb). Nation: USA. Agency: USN. Class: Technology. Type: Navigation technology satellite. Spacecraft: TRAAC. USAF Sat Cat: 205 . COSPAR: 1961-A-Eta-2. Apogee: 1,107 km (687 mi). Perigee: 956 km (594 mi). Inclination: 32.40 deg. Period: 105.80 min. Transit Research and Attitude Control. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). .

• Lofti 2 - . Mass: 99 kg (218 lb). Nation: USA. Agency: USN. Class: Earth. Type: Magnetosphere satellite. Spacecraft: Lofti 2. Decay Date: 1962-01-24 . Carried 5 satellites..

• Solrad 4 - . Payload: Grab D. Mass: 18 kg (39 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: SIGINT. Spacecraft: GRAB. ELINT satellite..

• Injun 2 - . Nation: USA. Agency: USAF. Spacecraft: Injun.

• Secor - . Nation: USA. Agency: USAF. Spacecraft: SECOR.

• Surcal - . Nation: USA. Agency: USAF. Class: Surveillance. Type: Radar calibration target. Spacecraft: Surcal.

• Anna 1A - . Payload: Anna 1A. Mass: 160 kg (350 lb). Nation: USA. Agency: US Army. Class: Earth. Type: Geodetic satellite. Spacecraft: Anna. Decay Date: 1962-05-10 . USN, USAF, US Army, NASA joint program..

• Telstar 1 - . Mass: 77 kg (169 lb). Nation: USA. Agency: ATT. Class: Communications. Type: Civilian communications satellite. Spacecraft: Telstar. USAF Sat Cat: 340 . COSPAR: 1962-A-Epsilon-1. Apogee: 5,643 km (3,506 mi). Perigee: 945 km (587 mi). Inclination: 44.80 deg. Period: 157.80 min.

  A NASA Thor/Delta boosted Telstar, the first commercially developed international communications satellite, into orbit. First commercial comsat; active repeater. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C).

• Explorer 14 - . Payload: EPE B (S-3A). Mass: 40 kg (88 lb). Nation: USA. Agency: NASA. Program: Explorer. Class: Astronomy. Type: Solar satellite. Spacecraft: EPE. Decay Date: 1964-12-31 . USAF Sat Cat: 432 . COSPAR: 1962-B-Gamma-1. Apogee: 96,229 km (59,793 mi). Perigee: 2,558 km (1,589 mi). Inclination: 42.30 deg. Period: 2,184.60 min. Magnetosphere studies. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). .

• Explorer 15 - . Payload: EPE C (S-3C SERB). Mass: 45 kg (99 lb). Nation: USA. Agency: NASA. Program: Explorer. Class: Astronomy. Type: Solar satellite. Spacecraft: EPE. Decay Date: 1978-12-19 . USAF Sat Cat: 445 . COSPAR: 1962-B-Lambda-1. Apogee: 17,610 km (10,940 mi). Perigee: 306 km (190 mi). Inclination: 17.90 deg. Period: 314.70 min. Radiation decay data. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). .

• Syncom 1 - . Payload: Syncom 1. Mass: 39 kg (85 lb). Nation: USA. Agency: NASA Greenbelt. Class: Technology. Type: Communications technology satellite. Spacecraft Bus: HS 301. Spacecraft: Syncom. Completed Operations Date: 1963-02-14 . USAF Sat Cat: 553 . COSPAR: 1963-004A. Apogee: 36,739 km (22,828 mi). Perigee: 34,392 km (21,370 mi). Inclination: 33.30 deg. Period: 1,425.50 min.

  During firing of the apogee kick motor, contact was lost with the satellite. Syncom (Synchronous Communications) was a NASA project supported by DoD ground stations and communications experiments. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Four score. Last known longitude (10 March 1987) 172.58 deg E drifting at 2.429 deg E per day.

• Telstar 2 - . Mass: 79 kg (174 lb). Nation: USA. Agency: ATT. Class: Communications. Type: Civilian communications satellite. Spacecraft: Telstar. USAF Sat Cat: 573 . COSPAR: 1963-013A. Apogee: 10,802 km (6,712 mi). Perigee: 972 km (603 mi). Inclination: 42.70 deg. Period: 225.30 min. Active repeater. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). .

• Tiros 7 - . Payload: Tiros G (A-52). Mass: 135 kg (297 lb). Nation: USA. Agency: NASA Greenbelt. Program: Tiros. Class: Earth. Type: Weather satellite. Spacecraft: Tiros. Decay Date: 1994-06-03 . USAF Sat Cat: 604 . COSPAR: 1963-024A. Apogee: 349 km (216 mi). Perigee: 338 km (210 mi). Inclination: 58.20 deg. Period: 91.40 min. Returned over 150000 cloud cover images. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C)..

• ASSET 1 re-entry vehicle test flight - . Nation: USA. Agency: USAF. Apogee: 56 km (34 mi).

  A Thor (SLV-2) booster lifted the first Aerothermodynamic/Elastic Structural Systems Environmental Tests (ASSET) program vehicle (ASV-1) on a successful suborbital flight from Cape Canaveral. The ASSET program was designed to test materials and study flight characteristics of glide reentry vehicles. SSD provided the boosters and launch services for the program, while Flight Dynamics Laboratory was responsible for overall program management. Suborbital test of small scale spaceplane model to test materials for the X-20 Dynasoar. Aero-thermodynamic structural test vehicle (ASV) for heat shield tests. Booster flew to peak altitude of 62 km, then pitched down, driving the spacecraft to separation at 59 km and 4,906 m/s. The spacecraft was sited under its parachute in the recovery zone at Ascension Island, but the flotation bag broke and it sank into the Atlantic.

• Explorer 18 - . Payload: IMP A. Mass: 62 kg (136 lb). Nation: USA. Agency: NASA Greenbelt. Program: Explorer. Class: Earth. Type: Magnetosphere satellite. Spacecraft: IMP. Decay Date: 1965-11-30 . USAF Sat Cat: 693 . COSPAR: 1963-046A. Apogee: 197,616 km (122,792 mi). Perigee: 192 km (119 mi). Inclination: 33.30 deg. Period: 5,666.20 min. Radiation data; Interplanetary Monitoring Program. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). .

• Tiros 8 - . Payload: Tiros H (A-53). Mass: 119 kg (262 lb). Nation: USA. Agency: NASA Greenbelt. Program: Tiros. Class: Earth. Type: Weather satellite. Spacecraft: Tiros. USAF Sat Cat: 716 . COSPAR: 1963-054A. Apogee: 705 km (438 mi). Perigee: 667 km (414 mi). Inclination: 58.50 deg. Period: 98.50 min. Returned more than 100,000 cloud cover images. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C)..

• Relay 2 - . Payload: Relay B. Mass: 78 kg (171 lb). Nation: USA. Agency: NASA Greenbelt. Class: Technology. Type: Communications technology satellite. Spacecraft: Relay. USAF Sat Cat: 737 . COSPAR: 1964-003A. Apogee: 7,540 km (4,680 mi). Perigee: 1,961 km (1,218 mi). Inclination: 46.40 deg. Period: 194.70 min. Experimental commsat. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). .

• ASSET 2 re-entry vehicle test flight - . Nation: USA. Agency: USAF. Apogee: 55 km (34 mi).

  The second flight test of the ASSET reentry vehicle from Cape Canaveral failed when the second stage of the Thor/Delta failed to ignite. The test objectives were not met. Suborbital test of small scale spaceplane model to test materials for the X-20 Dynasoar. Aero-thermodynamic structural test vehicle (ASV) for heat shield tests. Good first stage burn, but the second stage fired, then shut down, repeating the sequence several times. The spacecraft separated, and began to maneuver in a 60 degree bank to recover course, when the self-destruct package blew it apart. The debris impacted the Atlantic 800 km downrange near San Salvador Island.

• ASSET 3 re-entry vehicle test flight - . Nation: USA. Agency: USAF. Apogee: 71 km (44 mi).

  Aerothermodynamic/elastic Structural Systems Evaluation Test (ASSET) vehicle (ASV-3) was launched down the Eastern Test Range by a Thor booster. The ASV-3 was a boost-glide reentry vehicle that was designed to obtain temperature and pressure distribution data and to test materials and structural concepts during reentry. The vehicle was recovered 1,650 miles southeast of Cape Canaveral after reentering the atmosphere at 13,000 miles per hour and reaching reentry temperatures of 4,000° F. A part of the Spacecraft Technology and Advanced Reentry Tests (START) program managed by Space Systems Division, ASSET provided valuable data on the conditions encountered by a spacecraft during reentry. Suborbital test of small scale spaceplane model to test materials for the X-20 Dynasoar. Aero-thermodynamic structural test vehicle (ASV) for heat shield tests. Launched after four hours of holds. Tested Dynasoar hardware - tungsten nose cap, molbdenum panels with vapor-deposited disilicide, and liquid-cooled double-walled cockpit bathtub panel. Reached 5,500 m/s and recovered near Ascension Island 12 hours after launch.

• ASSET 4 re-entry vehicle test flight - . Nation: USA. Agency: USAF. Spacecraft: Asset. Apogee: 50 km (31 mi).

  Suborbital test of small scale spaceplane model to test structural concepts for the X-20 Dynasoar. Aero-environmental test vehicle (AEV) to test aerodynamic properties of flexing outer skin with corrugated columbium panel. Reached 4,000 m/s at 50.6 km altitude before being released from single-stage Thor SLV-2 launch vehicle. Telemetry received for 900 seconds until spaceplane had reached Mach 2 1200 km downrange. It then became unstable and crashed into the Atlantic. Recovery was not planned. AEV-1 was part of Space Systems Division's Aerothermodynamic/ elastic Structural Systems Evaluation Test (ASSET) program, and the first of two tests to obtain data on structural behavior during reentry, with emphasis on thermoelastic effects.

• ASSET 5 re-entry vehicle test flight - . Nation: USA. Agency: USAF. Apogee: 50 km (31 mi).

  The 6555th Aerospace Test Wing successfully launched the fifth ASSET reentry test vehicle, a suborbital test of small scale spaceplane model to test structural concepts for the X-20 Dynasoar. Aero-environmental test vehicle (AEV) to test aerodynamic properties of flexing outer skin with corrugated columbium panel. Reached 4,000 m/s at 53.2 km altitude before being released from launch vehicle. Telemetry received for 900 seconds until spaceplane had reached Mach 2 1200 km downrange. It then became unstable and crashed into the Atlantic. Recovery was not planned.

• OSO 2 - . Payload: OSO B2 (S-17). Mass: 247 kg (544 lb). Nation: USA. Agency: NASA Greenbelt. Class: Astronomy. Type: Solar satellite. Spacecraft: OSO. Decay Date: 1989-08-09 . USAF Sat Cat: 987 . COSPAR: 1965-007A. Apogee: 306 km (190 mi). Perigee: 294 km (182 mi). Inclination: 32.80 deg. Period: 90.50 min. Orbiting Solar Observatory; returned solar X-ray, UV, gamma ray data. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). .

• ASSET 6 re-entry vehicle test flight - . Nation: USA. Agency: USAF. Apogee: 70 km (43 mi).

  The Aerothermodynamic/elastic Structural Systems Environmental Test (ASSET) program concluded when a Thor booster launched the last of the experimental vehicles from the Eastern Test Range. The payload reentered down range but was not recovered. Suborbital test of small scale spaceplane model to test materials for the X-20 Dynasoar. Reached 6,000 m/s and 4,350 km range. Tested twelve different kinds of refractory metals and covered with 2000 dots of heat-sensitive paint to characterize thermal profile on reentry. Telemetry indicated that the spacecraft survived reentry, but it evidently sank upon impacting the ocean and could not be recovered as planned.

• Explorer 28 - . Payload: IMP C. Mass: 58 kg (127 lb). Nation: USA. Agency: NASA Greenbelt. Program: Explorer. Class: Earth. Type: Magnetosphere satellite. Spacecraft: IMP. Decay Date: 1968-07-04 . USAF Sat Cat: 1388 . COSPAR: 1965-042A. Apogee: 261,206 km (162,305 mi). Perigee: 229 km (142 mi). Inclination: 30.50 deg. Period: 8,419.70 min. Magnetic field, radiation data. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). .

• Tiros 10 - . Payload: Tiros OT1. Mass: 127 kg (279 lb). Nation: USA. Agency: ESSA. Program: Tiros. Class: Earth. Type: Weather satellite. Spacecraft: Tiros. USAF Sat Cat: 1430 . COSPAR: 1965-051A. Apogee: 807 km (501 mi). Perigee: 722 km (448 mi). Inclination: 98.80 deg. Period: 100.10 min. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C)..

• OSO C - . Payload: OSO C. Mass: 280 kg (610 lb). Nation: USA. Agency: NASA. Class: Astronomy. Type: Solar satellite. Spacecraft: OSO. Decay Date: 1965-08-25 .

• ESSA 2 - . Payload: Tiros OT2. Mass: 132 kg (291 lb). Nation: USA. Agency: ESSA. Program: Tiros. Class: Earth. Type: Weather satellite. Spacecraft: Tiros. USAF Sat Cat: 2091 . COSPAR: 1966-016A. Apogee: 1,415 km (879 mi). Perigee: 1,355 km (841 mi). Inclination: 101.30 deg. Period: 113.50 min. Environmental Survey Satellite; carried APT cameras. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C)..

• Explorer 32 - . Payload: AE B. Mass: 225 kg (496 lb). Nation: USA. Agency: NASA Greenbelt. Program: Explorer. Class: Earth. Type: Atmosphere satellite. Spacecraft: AE. Decay Date: 1985-02-22 . USAF Sat Cat: 2183 . COSPAR: 1966-044A. Apogee: 2,723 km (1,691 mi). Perigee: 282 km (175 mi). Inclination: 64.60 deg. Period: 116.00 min. Atmospheric Explorer; aeronomy experiments. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). .

• Intelsat 2 F-1 - . Mass: 140 kg (300 lb). Nation: International. Agency: Intelsat. Program: Intelsat. Class: Communications. Type: Civilian communications satellite. Spacecraft Bus: HS 303. Spacecraft: Intelsat 2. Decay Date: 1982-09-07 . USAF Sat Cat: 2514 . COSPAR: 1966-096A. Apogee: 37,070 km (23,030 mi). Perigee: 3,328 km (2,067 mi). Inclination: 17.30 deg. Period: 718.70 min. Unusable orbit due to AKM failure. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C)..

• Intelsat 2 F-2 - . Mass: 87 kg (191 lb). Nation: International. Agency: INTELSAT. Program: Intelsat. Class: Communications. Type: Civilian communications satellite. Spacecraft Bus: HS 303. Spacecraft: Intelsat 2. Completed Operations Date: 1977-05-01 . USAF Sat Cat: 2639 . COSPAR: 1967-001A. Apogee: 35,808 km (22,250 mi). Perigee: 35,769 km (22,225 mi). Inclination: 1.60 deg. Period: 1,436.20 min.

  Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Positioned in geosynchronous orbit over the Pacific Ocean at 174 deg E in 1967-1969; over the Pacific Ocean 162-170 deg E in 1969-1970; over the Pacific Ocean 150-160 deg E in 1970-1975 As of 7 August 2001 located at 48.66 deg E drifting at 0.413 deg W per day. As of 2007 Mar 8 located at 63.48W drifting at 0.357W degrees per day.

• Intelsat 2 F-3 - . Mass: 192 kg (423 lb). Nation: International. Agency: INTELSAT. Program: Intelsat. Class: Communications. Type: Civilian communications satellite. Spacecraft Bus: HS 303. Spacecraft: Intelsat 2. Completed Operations Date: 1977-05-01 . USAF Sat Cat: 2717 . COSPAR: 1967-026A. Apogee: 35,899 km (22,306 mi). Perigee: 35,670 km (22,160 mi). Inclination: 12.50 deg. Period: 1,436.00 min.

  Positioned in geosynchronous orbit over the Atlantic Ocean at 15 deg W in 1967-1971; over the Atlantic Ocean at 35 deg W in 1972; over the Atlantic Ocean at 15 deg W in 1973. As of 22 August 2001 was at 6.75 deg W drifting at 0.037 deg W per day. As of 2005 Dec 5 located at 13.34E drifting at 0.188W degrees per day. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C).

• Explorer 35 - . Payload: AIMP E. Mass: 104 kg (229 lb). Nation: USA. Agency: NASA Greenbelt. Program: Explorer. Class: Earth. Type: Magnetosphere satellite. Spacecraft: IMP. USAF Sat Cat: 2884 . COSPAR: 1967-070A. Apogee: 675 km (419 mi). Perigee: 484 km (300 mi). Inclination: 32.40 deg. Period: 96.26 min.

  Earth magnetic tail measurements. Lunar Orbit (Selenocentric). The Westinghouse Aerospace Division, under contract to National Aeronautics and Space Administration's Goddard Space Flight Center, engaged in the system design, integration, assembly and launch support for Anchored Interplanetary Monitoring Platform Satellite, officially designated Explorer 35 by the National Aeronautics and Space Administration. It was launched on July 19, 1967, with the primary objectives of investigation of interplanetary plasma and the interplanetary magnetic field out to and at the lunar distance, in either a captured lunar orbit or a geocentric orbit of the earth. In the geocentric orbit, the apogee was near or beyond the lunar distance. In a lunar orbit, additional objectives included obtaining data on dust distribution, lunar gravitational field, ionosphere, magnetic field, and radiation environment around the moon. AIMP-E also studied spatial and temporal relationships of geophysical and interplanetary phenomena simultaneously being studied by several other National Aeronautics and Space Administration satellites. The investigation in the vicinity of the moon provided for measurements of the characteristics of the interplanetary dust distribution, solar and galactic cosmic rays, as well as a study of the magnetohydrodynamic wake of the earth in the interplanetary medium at the lunar distances.

• Biosatellite 2 - . Payload: Biosat 2. Mass: 507 kg (1,117 lb). Nation: USA. Agency: NASA Ames. Class: Biology. Type: Biology satellite. Spacecraft: Biosatellite. Decay Date: 1967-09-15 . USAF Sat Cat: 2935 . COSPAR: 1967-083A. Apogee: 318 km (197 mi). Perigee: 297 km (184 mi). Inclination: 33.50 deg. Period: 90.70 min.

  Biological capsule recovered. The scientific payload, consisting of 13 select biology and radiation experiments, was exposed to microgravity during 45 hours of Earth-orbital flight. Experimental biology packages on the spacecraft contained a variety of specimens, including insects, frog eggs, microorganisms and plants. The planned three-day mission was recalled early because of the threat of a tropical storm in the recovery area, and because of a communication problem between the spacecraft and the tracking systems. The primary objective of the Biosatellite II mission was to determine if organisms were more, or less, sensitive to ionizing radiation in microgravity than on Earth. To study this question, an artificial source of radiation was supplied to a group of experiments mounted in the forward part of the spacecraft.

• Intelsat 2 F-4 - . Mass: 87 kg (191 lb). Nation: International. Agency: INTELSAT. Program: Intelsat. Class: Communications. Type: Civilian communications satellite. Spacecraft Bus: HS 303. Spacecraft: Intelsat 2. Completed Operations Date: 1977-05-01 . USAF Sat Cat: 2969 . COSPAR: 1967-094A. Apogee: 35,885 km (22,297 mi). Perigee: 35,729 km (22,200 mi). Inclination: 13.00 deg. Period: 1,437.10 min.

  Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Positioned in geosynchronous orbit over the Pacific Ocean at 176 deg E in 1967-1970; over the Pacific Ocean 166 deg W in 1971; over the Atlantic Ocean 30-42 deg W in 1972 As of 1 August 2001 located at 36.36 deg W drifting at 0.096 deg E per day. As of 2007 Mar 7 located at 168.68W drifting at 0.093W degrees per day.

• OSO 4 - . Payload: OSO D. Mass: 272 kg (599 lb). Nation: USA. Agency: NASA Greenbelt. Class: Astronomy. Type: Solar satellite. Spacecraft: OSO. Decay Date: 1982-06-15 . USAF Sat Cat: 3000 . COSPAR: 1967-100A. Apogee: 555 km (344 mi). Perigee: 552 km (342 mi). Inclination: 32.90 deg. Period: 95.70 min. Extreme UV solar observations. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). .

• Pioneer 8 - . Payload: Pioneer C / TTS 1. Mass: 63 kg (138 lb). Nation: USA. Agency: NASA Ames. Program: Pioneer. Class: Astronomy. Type: Solar satellite. Spacecraft: Pioneer 6-7-8-9-E. USAF Sat Cat: 3066 . COSPAR: 1967-123A. Solar radiation data. Solar Orbit (Heliocentric). Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B)..

• TTS 1 - . Payload: TTS A. Mass: 20 kg (44 lb). Nation: USA. Agency: NASA Greenbelt. Class: Technology. Type: Tracking network technology satellite. Spacecraft: TTS. Decay Date: 1968-04-28 . USAF Sat Cat: 3067 . COSPAR: 1967-123B. Apogee: 490 km (300 mi). Perigee: 287 km (178 mi). Inclination: 32.90 deg. Period: 92.20 min. Test and Training Satellite; tested Apollo tracking network. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). .

• Pioneer 9 - . Payload: Pioneer D / TTS 2. Mass: 63 kg (138 lb). Nation: USA. Agency: NASA Ames. Program: Pioneer. Class: Astronomy. Type: Solar satellite. Spacecraft: Pioneer 6-7-8-9-E. USAF Sat Cat: 3533 . COSPAR: 1968-100A. Solar radiation data. Solar Orbit (Heliocentric). Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B)..

• TTS 2; TATS 2 (TETR 2) - . Payload: TETR 2. Mass: 40 kg (88 lb). Nation: USA. Agency: NASA Greenbelt. Class: Technology. Type: Tracking network technology satellite. Spacecraft: TTS. Decay Date: 1979-09-19 . USAF Sat Cat: 3534 . COSPAR: 1968-100B. Apogee: 945 km (587 mi). Perigee: 375 km (233 mi). Inclination: 32.90 deg. Period: 98.00 min. Test and Training Satellite; test vehicle for NASA Manned Space Flight Network. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). .

• HEOS 1 - . Payload: HEOS A1. Mass: 108 kg (238 lb). Nation: Europe. Agency: ESRO. Class: Earth. Type: Magnetosphere satellite. Spacecraft: HEOS. Decay Date: 1975-10-28 . USAF Sat Cat: 3595 . COSPAR: 1968-109A. Apogee: 202,780 km (126,000 mi). Perigee: 20,020 km (12,430 mi). Inclination: 60.50 deg. Period: 6,704.30 min. Highly Eccentric Orbiting Satellite; examined magnetic fields outside of Earth's magnetosphere. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). .

• OSO 5 - . Payload: OSO F. Mass: 291 kg (641 lb). Nation: USA. Agency: NASA Greenbelt. Class: Astronomy. Type: Solar satellite. Spacecraft: OSO. Decay Date: 1984-04-02 . USAF Sat Cat: 3663 . COSPAR: 1969-006A. Apogee: 559 km (347 mi). Perigee: 538 km (334 mi). Inclination: 33.00 deg. Period: 95.60 min. Orbiting Solar Observatory; solar radiation data. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). .

• ESSA 9 - . Payload: TOS G. Mass: 145 kg (319 lb). Nation: USA. Agency: ESSA. Program: Tiros. Class: Earth. Type: Weather satellite. Spacecraft: TOS. USAF Sat Cat: 3764 . COSPAR: 1969-016A. Apogee: 1,505 km (935 mi). Perigee: 1,425 km (885 mi). Inclination: 101.80 deg. Period: 115.20 min. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C)..

• Explorer 47 - . Payload: IMP H. Mass: 376 kg (828 lb). Nation: USA. Agency: NASA Greenbelt. Program: Explorer. Class: Earth. Type: Magnetosphere satellite. Spacecraft: IMP. USAF Sat Cat: 6197 . COSPAR: 1972-073A. Apogee: 235,600 km (146,300 mi). Perigee: 201,100 km (124,900 mi). Inclination: 17.20 deg. Period: 17,670.00 min. Investigated cislunar radiation, Earth's magnetosphere, interplantary magnetic field. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). .

• Anik A1 - . Payload: Telesat 1. Mass: 557 kg (1,227 lb). Nation: Canada. Agency: Telesat. Program: Anik. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 333. Completed Operations Date: 1982-07-15 . USAF Sat Cat: 6278 . COSPAR: 1972-090A. Apogee: 36,247 km (22,522 mi). Perigee: 36,145 km (22,459 mi). Inclination: 11.30 deg. Period: 1,457.10 min.

  Anik I and Anik II also registered as United States objects. .The satellites, act as space repeaters capable of receiving transmissions from earth stations and retransmitting them to other earth stations in Canada. The antenna coverage of the satellite pr ovides the capability of serving virtually all of Canada. Anik I and II had weights of 1240.59 lb and 1246.48 lb. Each satellite has 12 RF channels each capable of transmitting a color television signal or up to 900 one-way voice channels. Positioned in geosynchronous orbit over the Americas at 114 deg W in 1973-1976; over the Americas at 104 deg W in 1976-1982 As of 1 September 2001 located at 66.14 deg W drifting at 5.205 deg W per day. As of 2007 Mar 9 located at 107.03W drifting at 5.211W degrees per day.

• Anik A2 - . Payload: Telesat 2. Mass: 272 kg (599 lb). Nation: Canada. Agency: Telesat. Program: Anik. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 333. Completed Operations Date: 1982-10-28 . USAF Sat Cat: 6437 . COSPAR: 1973-023A. Apogee: 35,952 km (22,339 mi). Perigee: 35,886 km (22,298 mi). Inclination: 13.70 deg. Period: 1,442.90 min.

  Anik I and Anik II also registered as United States objects. .The satellites, act as space repeaters capable of receiving transmissions from earth stations and retransmitting them to other earth stations in Canada. The antenna coverage of the satellite pr ovides the capability of serving virtually all of Canada. Anik I and II had weights of 1240.59 lb and 1246.48 lb. Each satellite has 12 RF channels each capable of transmitting a color television signal or up to 900 one-way voice channels. Positioned in geosynchronous orbit over the Americas at 109 deg W in 1973-1979; over the Americas at 106 deg W in 1979-1981; over the Americas at 114 deg W in 1981-1982 As of 26 August 2001 located at 0.59 deg E drifting at 1.690 deg W per day. As of 2007 Mar 9 located at 150.94E drifting at 1.684W degrees per day.

• Explorer 49 - . Payload: RAE B. Mass: 328 kg (723 lb). Nation: USA. Agency: NASA Greenbelt. Program: Explorer. Class: Astronomy. Type: X-ray astronomy satellite. Spacecraft: RAE. USAF Sat Cat: 6686 . COSPAR: 1973-039A. Radio Astronomy Explorer; measured galactic, stellar radio noise. Lunar Orbit (Selenocentric). Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B)..

• Explorer 50 - . Payload: IMP J. Mass: 371 kg (817 lb). Nation: USA. Agency: NASA Greenbelt. Program: Explorer. Class: Earth. Type: Magnetosphere satellite. Spacecraft: IMP. USAF Sat Cat: 6893 . COSPAR: 1973-078A. Apogee: 244,361 km (151,838 mi). Perigee: 190,749 km (118,525 mi). Inclination: 31.60 deg. Period: 17,576.70 min. Solar flare and radiation monitor. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). .

• Skynet 2A - . Mass: 129 kg (284 lb). Nation: UK. Agency: MoD. Program: Skynet. Class: Communications. Type: Military communications satellite. Spacecraft: Skynet. Decay Date: 1974-01-25 . USAF Sat Cat: 7096 . COSPAR: 1974-002A. Apogee: 1,803 km (1,120 mi). Perigee: 104 km (64 mi). Inclination: 37.50 deg. Period: 104.10 min. The first of two British satellites-Skynet IIA-was launched from the Eastern Test Range. The payload was lost.

• Westar 1 - . Mass: 500 kg (1,100 lb). Nation: USA. Agency: WUTC. Program: Westar. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 333. Completed Operations Date: 1983-05-02 . USAF Sat Cat: 7250 . COSPAR: 1974-022A. Apogee: 35,900 km (22,300 mi). Perigee: 35,886 km (22,298 mi). Inclination: 13.40 deg. Period: 1,441.50 min.

  Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Positioned in geosynchronous orbit over the Americas at 99 deg W in 1974-1982; over the Americas at 100 deg W in 1982; over the Americas at 97 deg W in 1982; over the Americas at 79 deg W in 1982-1983 As of 5 September 2001 located at 85.83 deg W drifting at 1.372 deg W per day. As of 2007 Mar 10 located at 89.54E drifting at 1.381W degrees per day.

• SMS 1 - . Payload: SMS A. Mass: 243 kg (535 lb). Nation: USA. Agency: NASA Greenbelt. Class: Earth. Type: Weather satellite. Spacecraft: SMS. Completed Operations Date: 1981-01-29 . USAF Sat Cat: 7298 . COSPAR: 1974-033A. Apogee: 36,303 km (22,557 mi). Perigee: 36,216 km (22,503 mi). Inclination: 15.50 deg. Period: 1,460.30 min.

  Synchronous Meteorological Satellite. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Positioned in geosynchronous orbit over the Atlantic Ocean at 45 deg W in 1974-1975; over the Atlantic Ocean 75 deg W in 1975; over the Americas at 105 deg W in 1976-1978; over the Americas at 91 deg W in1978; over the Atlantic Ocean 75 deg W in 1979; over the Atlantic Ocean 70 deg W in 1979; over the Pacific Ocean 132 deg W in 1980 As of 3 September 2001 located at 84.60 deg W drifting at 5.986 deg W per day. As of 2007 Mar 10 located at 116.51E drifting at 5.981W degrees per day.

• Westar 2 - . Mass: 500 kg (1,100 lb). Nation: USA. Agency: WUTC. Program: Westar. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 333. Completed Operations Date: 1986-05-07 . USAF Sat Cat: 7466 . COSPAR: 1974-075A. Apogee: 35,910 km (22,310 mi). Perigee: 35,895 km (22,304 mi). Inclination: 9.50 deg. Period: 1,442.00 min.

  Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Positioned in geosynchronous orbit over the Americas at 123 deg W in 1974-1982; over the Americas at 79 deg W in 1982-1986 As of 2 September 2001 located at 144.45 deg E drifting at 1.482 deg W per day. As of 2007 Mar 8 located at 6.53W drifting at 1.482W degrees per day.

• Skynet 2B - . Payload: Skynet 2A. Mass: 129 kg (284 lb). Nation: UK. Agency: MoD. Program: Skynet. Class: Communications. Type: Military communications satellite. Spacecraft: Skynet. Completed Operations Date: 1992-01-01 . USAF Sat Cat: 7547 . COSPAR: 1974-094A. Apogee: 35,822 km (22,258 mi). Perigee: 35,782 km (22,233 mi). Inclination: 12.20 deg. Period: 1,436.90 min.

  A Thor-Delta launched from the Eastern Test Range lifted the second of two Skynet II (Skynet IIB) defense communications satellite for the United Kingdom into an elliptical transfer orbit. Two days later, a firing of the satellite's apogee boost motor placed the satellite in a near circular orbit prior to final positioning in a synchronous orbit over the Indian Ocean. The first Skynet II satellite, Skynet IIA, was lost in January 1974 due to a booster failure after launch from Cape Canaveral. Military communications. Positioned in geosynchronous orbit over the Indian Ocean at 50-55 deg E in 1975-1977; drifting As of 3 September 2001 located at 18.23 deg E drifting at 0.206 deg W per day. As of 2007 Feb 27 located at 54.93E drifting at 0.393E degrees per day.

• Symphonie 1 - . Payload: Symphonie MV1. Mass: 221 kg (487 lb). Nation: France. Agency: CNES, DFVLR. Class: Technology. Type: Communications technology satellite. Spacecraft: Symphonie. Completed Operations Date: 1983-08-03 . USAF Sat Cat: 7578 . COSPAR: 1974-101A. Apogee: 35,893 km (22,302 mi). Perigee: 35,853 km (22,277 mi). Inclination: 14.90 deg. Period: 1,440.50 min.

  Experimental commsat. Jointly registered by the Federal Republic of Germany (A/AC.105/INF.305) and France (A/AC.105/INF.306). Symphonie flying model no. 1, constructed jointly by France and the Federal Republic of Germany. Description: Experimental teleco mmunications satellite. Orbit: geostationary. Positioned in geosynchronous orbit over the Atlantic Ocean at 11 deg W in 1975-1977; over the Indian Ocean 49 deg E in 1977-1983 As of 25 August 2001 located at 179.98 deg E drifting at 1.086 deg W per day. As of 2007 Mar 11 located at 72.77E drifting at 1.184W degrees per day.

• SMS 2 - . Payload: SMS B. Mass: 627 kg (1,382 lb). Nation: USA. Agency: NASA Greenbelt. Class: Earth. Type: Weather satellite. Spacecraft: SMS. Completed Operations Date: 1982-08-11 . USAF Sat Cat: 7648 . COSPAR: 1975-011A. Apogee: 36,060 km (22,400 mi). Perigee: 35,941 km (22,332 mi). Inclination: 12.00 deg. Period: 1,447.10 min.

  Synchronous Meteorological Satellite. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Positioned in geosynchronous orbit over the Americas at (GOES W) 115 deg W in 1975-1976; over the Pacific Ocean (GOES W) 135 deg W in 1976-1978; over the Atlantic Ocean (GOES E) 75 deg W in 1979-1981; over the Americas at 106 deg W in 1982 As of 29 August 2001 located at 123.04 deg W drifting at 2.760 deg W per day. As of 2007 Feb 27 located at 127.44E drifting at 2.742W degrees per day.

• Anik A3 (Telesat 3) - . Payload: Anik A3. Mass: 286 kg (630 lb). Nation: Canada. Agency: Telesat. Program: Anik. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 333. Completed Operations Date: 1984-11-23 . USAF Sat Cat: 7790 . COSPAR: 1975-038A. Apogee: 35,851 km (22,276 mi). Perigee: 35,845 km (22,273 mi). Inclination: 9.00 deg. Period: 1,439.20 min.

  Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Positioned in geosynchronous orbit over the Americas at 104 deg W in 1975-1976; over the Americas at 114 deg W in 1976-1984 As of 4 September 2001 located at 32.38 deg E drifting at 0.812 deg W per day. As of 2007 Mar 9 located at 138.81W drifting at 0.829W degrees per day.

• OSO 8 - . Payload: OSO I. Mass: 1,066 kg (2,350 lb). Nation: USA. Agency: NASA Greenbelt. Class: Astronomy. Type: Solar satellite. Spacecraft: OSO. Decay Date: 1986-07-09 . USAF Sat Cat: 7970 . COSPAR: 1975-057A. Apogee: 553 km (343 mi). Perigee: 539 km (334 mi). Inclination: 32.90 deg. Period: 95.60 min. Orbiting Solar Observatory. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). .

• GOES 1 - . Payload: GOES A. Mass: 295 kg (650 lb). Nation: USA. Agency: NOAA. Class: Earth. Type: Weather satellite. Spacecraft: GOES. Completed Operations Date: 1985-01-01 . USAF Sat Cat: 8366 . COSPAR: 1975-100A. Apogee: 35,811 km (22,251 mi). Perigee: 35,787 km (22,236 mi). Inclination: 14.80 deg. Period: 1,436.70 min.

  Geostationary Operational Environmental Satellite. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). Positioned in geosynchronous orbit over the Atlantic Ocean at 55 deg W in 1975-1976; over the Pacific Ocean 135 deg W in 1976-1978; over the Atlantic Ocean 10 deg W in 1978; over the Indian Ocean 58 deg E in 1978-1979; over the Pacific Ocean 135 deg W in 1979-1980; over the Atlantic Ocean 93 deg W in 1980; over the Pacific Ocean 130 deg W in 1980-1985 As of 3 September 2001 located at 81.97 deg W drifting at 0.051 deg E per day. As of 2007 Mar 9 located at 81.95W drifting at 0.055W degrees per day.

• Explorer 55 - . Payload: AE E. Mass: 721 kg (1,589 lb). Nation: USA. Agency: NASA Greenbelt. Program: Explorer. Class: Earth. Type: Atmosphere satellite. Spacecraft: AE. Decay Date: 1981-06-10 . USAF Sat Cat: 8440 . COSPAR: 1975-107A. Apogee: 3,002 km (1,865 mi). Perigee: 154 km (95 mi). Inclination: 19.70 deg. Period: 117.70 min. Atmospheric Explorer. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). .

• CTS 1 - . Payload: Hermes. Mass: 500 kg (1,100 lb). Nation: Canada. Agency: CRCSS. Class: Communications. Type: Civilian communications satellite. Spacecraft: CTS. Completed Operations Date: 1979-12-08 . USAF Sat Cat: 8585 . COSPAR: 1976-004A. Apogee: 35,840 km (22,260 mi). Perigee: 35,704 km (22,185 mi). Inclination: 12.80 deg. Period: 1,435.40 min.

  Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Positioned in geosynchronous orbit over the Americas at 116 deg W in 1976-79; over the Pacific Ocean 142 deg W in 1979 As of 5 September 2001 located at 135.36 deg W drifting at 0.161 deg W per day. As of 2007 Mar 10 located at 131.55W drifting at 0.190W degrees per day.

• Marisat 1 - . Payload: Marisat 101. Mass: 655 kg (1,444 lb). Nation: USA. Agency: Comsat. Class: Communications. Type: Civilian communications satellite. Spacecraft: Marisat. Completed Operations Date: 1997-04-02 . USAF Sat Cat: 8697 . COSPAR: 1976-017A. Apogee: 36,143 km (22,458 mi). Perigee: 36,033 km (22,389 mi). Inclination: 13.90 deg. Period: 1,451.50 min.

  Maritime communications. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Positioned in geosynchronous orbit over the Atlantic Ocean at 15 deg W in 1976-1990; over the Americas at 106 deg W in 1990-1997 As of 2 September 2001 located at 168.03 deg W drifting at 3.834 deg W per day. As of 2007 Mar 10 located at 20.39E drifting at 3.837W degrees per day.

• NATO 3A - . Mass: 310 kg (680 lb). Nation: NATO. Agency: NATO. Program: NATO. Class: Communications. Type: Military communications satellite. Spacecraft: NATO 3. Completed Operations Date: 1992-12-17 . USAF Sat Cat: 8808 . COSPAR: 1976-035A. Apogee: 36,017 km (22,379 mi). Perigee: 35,801 km (22,245 mi). Inclination: 13.30 deg. Period: 1,442.40 min.

  A Thor/Delta carrying the NATO IIIA satellite was successfully launched from LC-17B, Eastern Test Range. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Positioned in geosynchronous orbit over the Atlantic Ocean at 18 deg W in 1976-1982; over the Atlantic Ocean 30 deg W in 1982-1984; over the Atlantic Ocean 50 deg W in 1984-1985; over the Atlantic Ocean at 30 deg W in 1985-1989; over the Americas at 125 deg W in 1989-1991 As of 5 September 2001 located at 4.12 deg E drifting at 1.524 deg W per day. As of 2007 Mar 9 located at 142.00E drifting at 1.522W degrees per day.

• ESA-Geos 1 - . Payload: ESA GEOS 1. Mass: 573 kg (1,263 lb). Nation: Europe. Agency: ESA. Class: Earth. Type: Magnetosphere satellite. Spacecraft: ESA-Geos. USAF Sat Cat: 9931 . COSPAR: 1977-029A. Apogee: 38,214 km (23,745 mi). Perigee: 2,939 km (1,826 mi). Inclination: 26.60 deg. Period: 734.00 min. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). .

• GOES 2 - . Payload: GOES B. Mass: 627 kg (1,382 lb). Nation: USA. Agency: NOAA. Class: Earth. Type: Weather satellite. Spacecraft: GOES. USAF Sat Cat: 10061 . COSPAR: 1977-048A. Apogee: 36,080 km (22,410 mi). Perigee: 35,985 km (22,360 mi). Inclination: 14.10 deg. Period: 1,448.70 min.

  Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Positioned in geosynchronous orbit over the Atlantic Ocean at 75 deg W in 1977-1978 over the Americas at 100-110 deg W in 1979-1984 over the Americas at 112-114 deg W in 1984-1990 over the Atlantic Ocean 60 deg W in 1990-1992 over the Pacific Ocean 135 deg W in 1992-1995; over the Pacific Ocean 177 deg W in 1995-on. As of 4 September 2001 located at 147.59 deg W drifting at 3.154 deg W per day. As of 2007 Mar 8 located at 1.58W drifting at 3.141W degrees per day.

• Himawari 1 - . Payload: GMS 1. Mass: 670 kg (1,470 lb). Nation: Japan. Agency: NASDA. Class: Earth. Type: Weather satellite. Spacecraft: Himawari. Completed Operations Date: 1989-09-17 . USAF Sat Cat: 10143 . COSPAR: 1977-065A. Apogee: 36,148 km (22,461 mi). Perigee: 36,005 km (22,372 mi). Inclination: 11.10 deg. Period: 1,451.00 min.

  Geostationary meteorological satellite. Positioned in geosynchronous orbit over the Pacific Ocean at 140 deg E in 1977-1981; over the Pacific Ocean 160 deg E in 1981-1984; over the Pacific Ocean 140 deg E in 1984; over the Pacific Ocean160 deg E in 1984-1989 As of 29 August 2001 located at 10.47 deg W drifting at 3.675 deg W per day. As of 2007 Mar 10 located at 112.63E drifting at 3.690W degrees per day.

• Sirio 1 - . Mass: 220 kg (480 lb). Nation: Italy. Agency: CNR. Class: Technology. Type: Communications technology satellite. Spacecraft: Sirio. Completed Operations Date: 1989-09-28 . USAF Sat Cat: 10294 . COSPAR: 1977-080A. Apogee: 35,869 km (22,287 mi). Perigee: 35,755 km (22,217 mi). Inclination: 9.60 deg. Period: 1,437.40 min.

  Experimental commsat. SIRIO (Satellite Italiano Ricerca Industriale Orientata). Launch time 2350:00 GMT. Geographical longitude of geostationary orbit 15 deg W. SIRIO is a spin stabilized geostationary experimental communications satellite. Characteristics of satellite: Weight at launch 398 kg, in orbit 218 kg. Configuration - cylindrical, height 1.981m, diameter 1.433 m, nominal life two years. Positioned in geosynchronous orbit over the Atlantic Ocean at 15 deg W in 1977-1981; over the Atlantic Ocean 25 deg W in 1981-1983; over the Indian Ocean 65 deg E in 1983-1985 As of 4 September 2001 located at 86.65 deg E drifting at 0.265 deg E per day. As of 2007 Mar 11 located at 75.38E drifting at 0.003E degrees per day.

• ISEE 1 - . Payload: ISEE A. Mass: 340 kg (740 lb). Nation: USA. Agency: NASA Greenbelt. Class: Earth. Type: Magnetosphere satellite. Spacecraft: ISEE. Decay Date: 1987-09-26 . USAF Sat Cat: 10422 . COSPAR: 1977-102A. Apogee: 137,806 km (85,628 mi). Perigee: 436 km (270 mi). Inclination: 12.70 deg. Period: 3,441.00 min. International Sun-Earth Explorer. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). .

• ISEE 2 - . Payload: ISEE B. Mass: 166 kg (365 lb). Nation: Europe. Agency: ESA. Class: Earth. Type: Magnetosphere satellite. Spacecraft: ISEE. Decay Date: 1987-09-26 . USAF Sat Cat: 10423 . COSPAR: 1977-102B. Apogee: 137,765 km (85,603 mi). Perigee: 406 km (252 mi). Inclination: 13.50 deg. Period: 3,438.50 min. International Sun-Earth Explorer. .

• Sakura - . Payload: CS-1A. Mass: 676 kg (1,490 lb). Nation: Japan. Agency: NASDA. Program: CS. Class: Communications. Type: Civilian communications satellite. Spacecraft: CS-1. Completed Operations Date: 1985-11-19 . USAF Sat Cat: 10516 . COSPAR: 1977-118A. Apogee: 36,176 km (22,478 mi). Perigee: 36,169 km (22,474 mi). Inclination: 10.50 deg. Period: 1,455.90 min.

  Medium-capacity Communications Satellite for Experimental Purposes . Launch vehicle Delta 2914-137. Launch time 0047 UT. Geographical longitude on geostationary orbit: 135 deg E. CS is a spin stabilized geostationary communications satellite. Characteris tics of satellite: Weight approx 340 kg at an early stage in orbit, configuration: cylindrical, height 3.48 m, diameter 2.18m, Expected life more than three years. Positioned in geosynchronous orbit over the Pacific Ocean at 135 deg E in 1977-1983 over the Pacific Ocean 150 deg E in 1984-1985 As of 25 August 2001 located at 78.79 deg E drifting at 4.904 deg W per day. As of 2007 Mar 10 located at 94.72W drifting at 4.901W degrees per day.

• Yuri 1 - . Payload: BSE-1. Mass: 678 kg (1,494 lb). Nation: Japan. Agency: NASDA. Program: BS. Class: Technology. Type: Communications technology satellite. Spacecraft: Yuri. Completed Operations Date: 1982-01-28 . USAF Sat Cat: 10792 . COSPAR: 1978-039A. Apogee: 35,868 km (22,287 mi). Perigee: 35,736 km (22,205 mi). Inclination: 11.70 deg. Period: 1,436.90 min.

  Experimental comsat. Medium-scale broadcasting satellite for experimental purposes (BSE). Launch vehicle Delta 2914-140. Launch time 2201 GMT. Location 110 deg E. Characteristics of satellite: Weight approx 355 kg in an early stage in orbit. Configuration - box shaped satelli te with 2 solar array panels with overall span of 8.95m. Height 3.09m, width 1.32m, length 1.19m. 3-axis stabilized attitude control. Expected life 3 years. Positioned in geosynchronous orbit over the Indian Ocean at 110 deg E in 1978-1982 As of 4 September 2001 located at 44.59 deg E drifting at 0.116 deg E per day. As of 2007 Mar 11 located at 108.19E drifting at 0.031E degrees per day.

• GOES 3 - . Payload: GOES C. Mass: 627 kg (1,382 lb). Nation: USA. Agency: NOAA. Class: Earth. Type: Weather satellite. Spacecraft: GOES. USAF Sat Cat: 10953 . COSPAR: 1978-062A. Apogee: 35,812 km (22,252 mi). Perigee: 35,767 km (22,224 mi). Inclination: 9.80 deg. Period: 1,436.30 min.

  Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Positioned in geosynchronous orbit over the Pacific Ocean at 135 deg W in 1978-1981 over the Americas at 90 deg W in 1982-1984 over the Pacific Ocean 135 deg W in 1985-1987 over the Americas at129 deg W in 1987-1990 over the Pacific Ocean 175 deg W in 1990-1995 over the Americas at 102-110 deg W in 1996-on. As of 5 September 2001 located at 101.78 deg W drifting at 0.017 deg W per day. As of 2007 Mar 9 located at 105.91W drifting at 0.030W degrees per day.

• ISEE 3 - . Payload: ISEE C. Mass: 479 kg (1,056 lb). Nation: USA. Agency: NASA Greenbelt. Class: Earth. Type: Magnetosphere satellite. Spacecraft: ISEE. USAF Sat Cat: 11004 . COSPAR: 1978-079A. Apogee: 1,089,200 km (676,700 mi). Perigee: 181 km (112 mi). Inclination: 1.00 deg. Period: 67,852.90 min.

  International Sun-Earth Explorer; later renamed the International Cometary Explorer. Measured interaction between solar wind and Earth; rendezvoused with comet Giacobini-Zinner September 11, 1985. After several passes through the Earth's magnetotail, with gravity assists from lunar flybys in March, April, September and October of 1983, a final close lunar flyby (119.4 km above the moon's surface) on December 22, 1983, ejected the spacecraft out of the Earth-Moon system and into a heliocentric orbit ahead of the Earth, on a trajectory intercepting that of Comet Giacobini-Zinner. A total of fifteen propulsive maneuvers (four of which were planned) and five lunar flybys were needed to carry out the transfer from the halo orbit to an escape trajectory from the earth-moon system into a heliocentric orbit. The primary scientific objective of ICE was to study the interaction between the solar wind and a cometary atmosphere. As planned, the spacecraft traversed the plasma tail of Comet Giacobini-Zinner on September 11, 1985, and made in situ measurements of particles, fields, and waves. It also transited between the Sun and Comet Halley in late March 1986, when other spacecraft (Giotto, Planet-A, MS-T5, VEGA) were also in the vicinity of Comet Halley on their comet rendezvous missions. ICE became the first spacecraft to directly investigate two comets. An update to the ICE mission was approved by NASA headquarters in 1991. It defined a Heliospheric mission for ICE consisting of investigations of coronal mass ejections in coordination with ground-based observations, continued cosmic ray studies, and special period observations such as when ICE and Ulysses are on the same solar radial line. As of January 1990, ICE was in a 355 day heliocentric orbit with an aphelion of 1.03 AU, a perihelion of 0.93 AU and an inclination of 0.1 degree. This will bring it back to the vicinity of the earth-moon system in August, 2014. Termination of operations of ISEE 3 was authorized May 5, 1997.

  International Sun-Earth Explorer 3 spacecraft, also known as the International Cometary Explorer after its trip to P/Giacobini-Zinner in 1985, returned to the vicinity of the Earth in August 2014 following 30 years in solar orbit. On April 18 ISEE 3 was in a 0.927 x 1.034 AU x 0.06 deg solar orbit at a distance of 28.9 million km from Earth. A group of enthusiasts attempted to revive the spacecraft. ISEE 3 was the first spacecraft at the Earth-Sun L1 Lagrange point. However, in a special 1986 ceremony NASA Administrator James Fletcher transferred ownership of the spacecraft from NASA to the Smithsonian Institution. Additional Details: here....

• NATO 3C - . Mass: 720 kg (1,580 lb). Nation: NATO. Agency: NATO. Program: NATO. Class: Communications. Type: Military communications satellite. Spacecraft: NATO 3. Completed Operations Date: 1992-06-15 . USAF Sat Cat: 11115 . COSPAR: 1978-106A. Apogee: 36,299 km (22,555 mi). Perigee: 36,289 km (22,548 mi). Inclination: 11.80 deg. Period: 1,462.10 min.

  A Delta 2914 booster was launched from Cape Canaveral carrying the NATO IIIC satellite. The launch was successful, and the satellite performed satisfactorily in orbit. Positioned in geosynchronous orbit over the Atlantic Ocean at 50 deg W in 1979-1982 over the Atlantic Ocean 21 deg W in 1983-1986 over the Atlantic Ocean 18 deg W in 1987-1991 over the Atlantic Ocean21 deg W in 1991-1992 As of 31 August 2001 located at 122.29 deg E drifting at 6.431 deg W per day. As of 2007 Mar 10 located at 114.22E drifting at 6.438W degrees per day.

• SCATHA - . Payload: P 78-2. Mass: 360 kg (790 lb). Nation: USA. Agency: USAF. Class: Technology. Type: Communications technology satellite. Spacecraft Bus: Space Test Program Payloads. Spacecraft: SCATHA. Completed Operations Date: 1991-05-28 . USAF Sat Cat: 11256 . COSPAR: 1979-007A. Apogee: 42,860 km (26,630 mi). Perigee: 28,018 km (17,409 mi). Inclination: 10.20 deg. Period: 1,418.40 min.

  Flight P78-2 was successfully launched by SAMSO's Space Test Program. The mission was designated SCATHA (Spacecraft Charging at High Altitudes) and gathered data on the build-up of electrical charges on satellites operating at geosynchronous altitude. It was sponsored jointly by NASA and the Air Force. Spacecraft charging experiments. The SCATHA spacecraft had two charged particle injection systems, one of which was the Satellite Positive-Ion-Beam System (SPIBS). This was a xenon ion source which included some of the technologies used in thrusters: however, the discharge chamber was not performance optimized as was done with ion engines. Maximum operating power was 0.045 kW, and the ion source could produce a thrust of about 0.14 mN at a specific impulse of 350 s. Ions could be ejected at 1 keV or 2 keV. Neutralization was accomplished by a tantalum filament. The specific impulse was low because there was no attempt to optimize the propellant efficiency. The SPIBS system was ground-tested for a period of 600 hours. The SCATHA spacecraft was placed in a near geosynchronous orbit. Ion beam operations were performed intermittently over a 247 day period. The SCATHA flight demonstrated that a charged spacecraft, and the dielectric surfaces on it, could be safely discharged by emitting a very low energy (<50 eV) neutral plasma -- in effect shorting the spacecraft to the ambient plasma before dangerous charging levels could be reached. As of 28 August 2001 located at 153.98 deg W drifting at 4.513 deg E per day. As of 2007 Mar 8 located at 19.65W drifting at 4.513E degrees per day.

• Anik D1 (Telesat 5) - . Payload: Anik D1. Mass: 2,800 kg (6,100 lb). Nation: Canada. Agency: Telesat. Program: Anik. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 376. Completed Operations Date: 1991-12-16 . USAF Sat Cat: 13431 . COSPAR: 1982-082A. Apogee: 35,846 km (22,273 mi). Perigee: 35,820 km (22,250 mi). Inclination: 8.00 deg. Period: 1,438.50 min.

  Telecommunications. Operating entity Telesat Canada. Longitude 104.5W. Anik D-1 Transmit frequencies (MHz): 3720, 3740, 3760, 3780, 3800, 3820, 3840, 3860, 3880, 3900, 3920, 3940, 3960, 3980, 4000, 4020, 4040, 4060, 4080, 4100, 4120, 4140, 4160, 4180. Power 8.9 watts on each frequency. Positioned in geosynchronous orbit at 104 deg W in 1982-1991 As of 2 September 2001 located at 94.37 deg E drifting at 0.637 deg W per day. As of 2007 Mar 10 located at 52.18E drifting at 0.631W degrees per day.

• RCA Satcom 5 - . Payload: Aurora 1. Mass: 590 kg (1,300 lb). Nation: USA. Agency: RCA Alas. Manufacturer: Lockheed. Program: Satcom. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 3000. Completed Operations Date: 1992-09-23 . USAF Sat Cat: 13631 . COSPAR: 1982-105A. Apogee: 35,791 km (22,239 mi). Perigee: 35,782 km (22,233 mi). Inclination: 8.10 deg. Period: 1,436.10 min. Positioned in geosynchronous orbit at 143 deg W in 1982-1991; 105 deg W in 1992-2007..

• RCA Satcom 6 - . Payload: Satcom 1R. Mass: 2,385 kg (5,258 lb). Nation: USA. Agency: RCA Amer. Manufacturer: Lockheed. Program: Satcom. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 3000. Completed Operations Date: 1992-12-27 . USAF Sat Cat: 13984 . COSPAR: 1983-030A. Apogee: 35,953 km (22,340 mi). Perigee: 35,851 km (22,276 mi). Inclination: 7.00 deg. Period: 1,442.00 min. Positioned in geosynchronous orbit at 139 deg W in 1983-1991; 131 deg W in 1991-1992 As of 5 September 2001 located at 148.59 deg W drifting at 1.499 deg W per day. As of 2007 Mar 10 located at 90.26E drifting at 1.535W degrees per day..

• Galaxy 1 - . Payload: HS 376. Mass: 1,218 kg (2,685 lb). Nation: USA. Agency: HCI. Program: Galaxy. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 376. Completed Operations Date: 1994-03-10 . USAF Sat Cat: 14158 . COSPAR: 1983-065A. Apogee: 35,841 km (22,270 mi). Perigee: 35,815 km (22,254 mi). Inclination: 6.30 deg. Period: 1,438.20 min.

  TV. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Positioned in geosynchronous orbit at 134 deg W in 1983-1991; 133 deg W in 1991-1994 As of 31 August 2001 located at 92.66 deg W drifting at 0.600 deg W per day. As of 2007 Mar 9 located at 46.95W drifting at 0.505W degrees per day.

• RCA Satcom 7 - . Payload: Satcom 2R. Mass: 1,121 kg (2,471 lb). Nation: USA. Agency: RCA Amer. Manufacturer: Lockheed. Program: Satcom. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 3000. Completed Operations Date: 1995-03-05 . USAF Sat Cat: 14328 . COSPAR: 1983-094A. Apogee: 36,095 km (22,428 mi). Perigee: 35,963 km (22,346 mi). Inclination: 5.70 deg. Period: 1,448.50 min. Positioned in geosynchronous orbit at 72 deg W in 1983-1995 As of 4 September 2001 located at 143.00 deg E drifting at 3.084 deg W per day. As of 2007 Mar 10 located at 40.27E drifting at 3.104W degrees per day..

• Galaxy 3 - . Payload: HS 376. Mass: 1,218 kg (2,685 lb). Nation: USA. Agency: HCI. Program: Galaxy. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 376. Completed Operations Date: 1995-10-03 . USAF Sat Cat: 15308 . COSPAR: 1984-101A. Apogee: 35,931 km (22,326 mi). Perigee: 35,885 km (22,297 mi). Inclination: 5.70 deg. Period: 1,442.30 min.

  Geostationary at 3.5 deg W. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Positioned in geosynchronous orbit at 94 deg W in 1984-1995 As of 1 September 2001 located at 138.23 deg E drifting at 1.543 deg W per day. As of 2007 Mar 10 located at 125.04W drifting at 1.587W degrees per day.

• USA 19 - . Payload: Delta 180 / Payload Adapter System. Mass: 6,000 kg (13,200 lb). Nation: USA. Agency: SDIO. Class: Military. Type: Strategic defense satellite. Spacecraft: SDI. Decay Date: 1986-09-28 . USAF Sat Cat: 16937 . COSPAR: 1986-069A. Apogee: 748 km (464 mi). Perigee: 213 km (132 mi). Inclination: 39.10 deg. Period: 94.20 min. SDIO sensor tests. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). .

• Delta 180 Sensor Module - . Payload: DM 43 Sensor Module. Mass: 6,000 kg (13,200 lb). Nation: USA. Agency: SDIO. Spacecraft: SDI. Decay Date: 1986-11-25 . USAF Sat Cat: 16938 . COSPAR: 1986-069B. Apogee: 539 km (334 mi). Perigee: 215 km (133 mi). Inclination: 22.70 deg. Period: 92.09 min.

• Palapa B2P - . Mass: 1,200 kg (2,600 lb). Nation: Indonesia. Agency: Perumtel. Program: Palapa. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 376. Completed Operations Date: 1998-01-18 . USAF Sat Cat: 17706 . COSPAR: 1987-029A. Apogee: 35,906 km (22,310 mi). Perigee: 35,868 km (22,287 mi). Inclination: 5.00 deg. Period: 1,441.20 min.

  Stationed at 113 deg W. Positioned in geosynchronous orbit at 113 deg E in 1987-1996; 144 deg E in 1996-1998 As of 28 August 2001 located at 130.30 deg W drifting at 1.327 deg W per day. As of 2007 Mar 3 located at 141.38E drifting at 1.274W degrees per day.

• USA 30 - . Payload: Delta 181 Canister Cluster. Mass: 6,000 kg (13,200 lb). Nation: USA. Agency: SDIO. Class: Military. Type: Strategic defense satellite. Spacecraft: SDI. Decay Date: 1988-03-01 . USAF Sat Cat: 18847 . COSPAR: 1988-008A. Apogee: 342 km (212 mi). Perigee: 225 km (139 mi). Inclination: 28.60 deg. Period: 90.20 min. Military tracking exercise; released subsatellites. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). .

• Sensor Cal Reference Subsat - . Payload: Group 1 Cal Object. Nation: USA. Agency: NASA. Spacecraft: SDI. COSPAR: 1988-008xx.

• Solid Motor Subsatellite - . Payload: Group 2 Test Object. Nation: USA. Agency: NASA. Spacecraft: SDI. COSPAR: 1988-008xx.

• Delta 181 Sensor Module - . Payload: Thrusted Vector Sensor Mo. Mass: 6,000 kg (13,200 lb). Nation: USA. Agency: SDIO. Spacecraft: SDI. Decay Date: 1988-04-02 . USAF Sat Cat: 18848 . COSPAR: 1988-008B. Apogee: 314 km (195 mi). Perigee: 287 km (178 mi). Inclination: 30.70 deg. Period: 90.53 min.

• Delta 181 Subsatellite 10 - . Payload: Group 2 Test Object. Nation: USA. Agency: NASA. Spacecraft: SDI. Decay Date: 1988-03-01 . USAF Sat Cat: 18847 . COSPAR: 1988-008xx. Apogee: 195 km (121 mi). Perigee: 168 km (104 mi). Inclination: 28.60 deg. Period: 88.10 min.

• SPX - . Mass: 6,000 kg (13,200 lb). Nation: USA. Agency: NASA. Spacecraft: SDI. COSPAR: 1988-008xx.

• Delta 181 Subsatellite 1 - . Payload: Group 1 Test Object. Nation: USA. Agency: NASA. Spacecraft: SDI. Decay Date: 1988-03-01 . USAF Sat Cat: 18847 . COSPAR: 1988-008xx. Apogee: 195 km (121 mi). Perigee: 168 km (104 mi). Inclination: 28.60 deg. Period: 88.10 min.

• Delta 181 Subsatellite 2 - . Payload: Group 1 Test Object. Nation: USA. Agency: NASA. Spacecraft: SDI. COSPAR: 1988-008xx.

• Delta 181 Subsatellite 3 - . Payload: Group 1 Test Object. Nation: USA. Agency: NASA. Spacecraft: SDI. COSPAR: 1988-008xx.

• Delta 181 Subsatellite 11 - . Payload: Group 2 Test Object. Nation: USA. Agency: NASA. Spacecraft: SDI. Decay Date: 1988-03-01 . USAF Sat Cat: 18847 . COSPAR: 1988-008xx. Apogee: 195 km (121 mi). Perigee: 168 km (104 mi). Inclination: 28.60 deg. Period: 88.10 min.

• Delta 181 Subsatellite 5 - . Payload: Group 1 Test Object. Nation: USA. Agency: NASA. Spacecraft: SDI. COSPAR: 1988-008xx.

• Delta 181 Subsatellite 8 - . Payload: Group 2 Test Object. Nation: USA. Agency: NASA. Spacecraft: SDI. COSPAR: 1988-008xx.

• Delta 181 Subsatellite 4 - . Payload: Group 1 Test Object. Nation: USA. Agency: NASA. Spacecraft: SDI. COSPAR: 1988-008xx.

• Delta 181 Subsatellite 9 - . Payload: Group 2 Test Object. Nation: USA. Agency: NASA. Spacecraft: SDI. COSPAR: 1988-008xx.

• Delta 181 Subsatellite 7 - . Payload: Group 2 Test Object. Nation: USA. Agency: NASA. Spacecraft: SDI. COSPAR: 1988-008xx.

• USA 36 - . Payload: Delta Star. Mass: 6,000 kg (13,200 lb). Nation: USA. Agency: SDIO. Class: Military. Type: Strategic defense satellite. Spacecraft: SDI. Decay Date: 1992-06-23 . USAF Sat Cat: 19911 . COSPAR: 1989-026A. Apogee: 312 km (193 mi). Perigee: 307 km (190 mi). Inclination: 47.70 deg. Period: 90.70 min. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). .

• BSB-1A - . Payload: Marco Polo 1. Mass: 1,233 kg (2,718 lb). Nation: UK. Agency: BSB. Program: BSB. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 376. USAF Sat Cat: 20193 . COSPAR: 1989-067A. Apogee: 35,795 km (22,241 mi). Perigee: 35,782 km (22,233 mi). Inclination: 0.10 deg. Period: 1,436.20 min.

  British DBS; 31 deg W. Direct broadcasting system. Expected operational life, 10 years. Owner/operator: British Satellite Broadcasting Ltd, The Marcopolo Building, Chelsea Bridge, Queenstown Rd, London SW8 4NQ. Positioned in geosynchronous orbit at 31 deg W in 1989-1993; 5 deg E in 1994-2000; 13 deg W in 2000. As of 31 August 2001 located at 12.98 deg W drifting at 0.008 deg W per day. As of 2007 Mar 9 located at 45.02W drifting at 3.908W degrees per day.

• USA 49 - . Payload: GPS 2-5 / GPS SVN 17. Mass: 1,665 kg (3,670 lb). Nation: USA. Agency: USAF. Manufacturer: Seal Beach. Program: Navstar. Class: Navigation. Type: Navigation satellite. Spacecraft Bus: Navstar. Spacecraft: GPS Block 2 and 2A. USAF Sat Cat: 20361 . COSPAR: 1989-097A. Apogee: 20,371 km (12,657 mi). Perigee: 19,992 km (12,422 mi). Inclination: 55.40 deg. Period: 718.00 min. Global Positioning System. Placed in Plane D Slot 3..

• USA 51 - . Payload: LACE. Mass: 1,430 kg (3,150 lb). Nation: USA. Agency: SDIO. Class: Military. Type: Strategic defense satellite. Spacecraft: LACE. Decay Date: 2000-05-24 . USAF Sat Cat: 20496 . COSPAR: 1990-015A. Apogee: 480 km (290 mi). Perigee: 463 km (287 mi). Inclination: 43.10 deg. Period: 94.00 min.

  Low-power Atmospheric Compensation Experiment for SDIO. Research and exploration of the upper atmosphere and outer space. The McDonnell Douglas Corporation has provided the following information for its launch of the Losat spacecraft on 14 Feb 1990: LACE spacecraft (Losat-L), launch time 1615:00.626 GMT, ETR Launch Complex 17. Programmed orbital parameters 95.6 min, apogee 551 km, inc. 43.1 deg. Evaluate laser beam distortion in space.

• USA 52 - . Payload: RME. Mass: 1,040 kg (2,290 lb). Nation: USA. Agency: SDIO. Class: Military. Type: Strategic defense satellite. Spacecraft: RME. Decay Date: 1992-05-24 . USAF Sat Cat: 20497 . COSPAR: 1990-015B. Apogee: 281 km (174 mi). Perigee: 261 km (162 mi). Inclination: 43.10 deg. Period: 89.90 min.

  Relay Mirror Experiment; also known as Losat-R. RME validated stabilization, tracking, and pointing technologies for Strategic Defense Initiative (SDI) missions through a credible demonstration of a space-based relay mirror system. The Wideband Angular Vibration Experiment (WAVE) measured low-level angular vibrations affecting performance of acquisition, tracking, and pointing systems. The experiment demonstrated that a laser beam can be accurately relayed from the earth to an orbiting satellite 450 kilometers away and then back to a 3-meter target on the ground. It achieved relay beam pointing accuracy which was 16 times better than the technical requirement. WAVE demonstrated the capability to discern platform disturbance amplitudes of a few nanoradians at discrete frequencies and is therefore a candidate to fulfill similar requirements for future ATP experiments.

• Palapa B2R - . Mass: 1,200 kg (2,600 lb). Nation: Indonesia. Agency: Perumtel. Program: Palapa. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 376. USAF Sat Cat: 20570 . COSPAR: 1990-034A. Apogee: 35,795 km (22,241 mi). Perigee: 35,784 km (22,235 mi). Inclination: 0.00 deg. Period: 1,436.30 min.

  Refurbished Palapa B2 retrieved by STS-51A; 107.7 deg E. Communication services for Indonesia, the Association of South-East Asian Nations (ASEAN), and Papua New Guinea. Launch time 2227:59.719 Z. Launch complex 17, ETR. Positioned in geosynchronous orbit at 108 deg E in 1990-1999 As of 29 August 2001 located at 42.49 deg E drifting at 0.002 deg E per day. As of 2007 Mar 9 located at 163.55E drifting at 2.663W degrees per day.

• Insat 1D - . Mass: 1,190 kg (2,620 lb). Nation: India. Agency: ISRO. Program: Insat. Class: Communications. Type: Civilian communications satellite. Spacecraft: Insat 1. USAF Sat Cat: 20643 . COSPAR: 1990-051A. Apogee: 35,851 km (22,276 mi). Perigee: 35,729 km (22,200 mi). Inclination: 3.70 deg. Period: 1,436.30 min.

  Also performed Indian domestic communications tasks; 83.1 E. Operational multi-purpose satellite for telecommunications, meteorological imaging and data relay, radio and television programme distribution and direct television broadcasting for community reception. Orbital position 83 deg E. Also registered as 1990-5 1A in ST/SG/SER.E/250 by the United States, with category B and orbital parameters 1426.3 min, 35768 x 35811 km x 0.2 deg. Positioned in geosynchronous orbit at 83 deg E in 1990-1999; 74 deg E in 1999-2000 As of 5 September 2001 located at 73.85 deg E drifting at 0.000 deg E per day. As of 2007 Mar 10 located at 71.63E drifting at 0.039E degrees per day.

• Thor 1 / BSB-R2 - . Payload: Marco Polo 2. Mass: 1,220 kg (2,680 lb). Nation: Norway. Agency: BSB. Program: Thor Comsat. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 376. USAF Sat Cat: 20762 . COSPAR: 1990-074A. Apogee: 35,794 km (22,241 mi). Perigee: 35,779 km (22,231 mi). Inclination: 0.00 deg. Period: 1,436.10 min.

  UK DBS; 31 deg W. Direct broadcasting system. Expected operational life 12.5 yr. Owner/operator: British Sky Broadcasting Ltd, 6 Centaurs Business Park, Grant Way, Isleworth, Middlesex TW7 5QD. Sold on-orbit in 1992 to Telenor Norway and redesignated Thor 1. Positioned in geosynchronous orbit at 50 deg W in 1990; 31 deg W in 1991-1992; 1 deg W in 1992-1999 As of 3 September 2001 located at 0.72 deg W drifting at 0.001 deg E per day. As of 2007 Mar 9 located at 61.51W drifting at 3.830W degrees per day.

• Inmarsat 2 F1 - . Mass: 1,385 kg (3,053 lb). Nation: International. Agency: Inmarsat. Manufacturer: Toulouse. Program: Inmarsat. Class: Communications. Type: Civilian communications satellite. Spacecraft: Eurostar 1000. USAF Sat Cat: 20918 . COSPAR: 1990-093A. Apogee: 35,800 km (22,200 mi). Perigee: 35,775 km (22,229 mi). Inclination: 1.70 deg. Period: 1,436.20 min.

  Mobile communications; 64.5 deg E. Positioned in geosynchronous orbit at 65 deg E in 1990-1996; 179 deg E in 1996-1999 As of 5 September 2001 located at 178.97 deg E drifting at 0.004 deg W per day. As of 2007 Mar 8 located at 143.50E drifting at 0.015W degrees per day.

• NATO 4A - . Payload: NATO 4A. Mass: 1,433 kg (3,159 lb). Nation: NATO. Agency: NATO. Program: NATO. Class: Communications. Type: Military communications satellite. Spacecraft: ECS/OTS. USAF Sat Cat: 21047 . COSPAR: 1991-001A. Apogee: 35,800 km (22,200 mi). Perigee: 35,775 km (22,229 mi). Inclination: 2.60 deg. Period: 1,436.10 min.

  NATO communications; 18 deg W. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Positioned in geosynchronous orbit at 18 deg W in 1991-1999 As of 5 September 2001 located at 17.81 deg W drifting at 0.007 deg W per day. As of 2007 Mar 10 located at 16.26W drifting at 0.003W degrees per day.

• Inmarsat 2 F2 - . Mass: 1,385 kg (3,053 lb). Nation: International. Agency: Inmarsat. Manufacturer: Toulouse. Program: Inmarsat. Class: Communications. Type: Civilian communications satellite. Spacecraft: Eurostar 1000. USAF Sat Cat: 21149 . COSPAR: 1991-018A. Apogee: 35,793 km (22,240 mi). Perigee: 35,780 km (22,230 mi). Inclination: 2.20 deg. Period: 1,436.10 min.

  Mobile and maritime communications; 15.5 deg W. Positioned in geosynchronous orbit at 15 deg W in 1991-1996; 55 deg W in 1997-1999; DRIFT As of 6 September 2001 located at 97.95 deg W drifting at 0.002 deg W per day. As of 2007 Mar 11 located at 97.96W drifting at 0.006W degrees per day.

• ASC-2 / Spacenet F4 - . Mass: 1,350 kg (2,970 lb). Nation: USA. Agency: Contel. Program: GTE. Class: Communications. Type: Civilian communications satellite. Spacecraft Bus: AS 3000. Spacecraft: ASC. USAF Sat Cat: 21227 . COSPAR: 1991-028A. Apogee: 35,794 km (22,241 mi). Perigee: 35,780 km (22,230 mi). Inclination: 0.00 deg. Period: 1,436.20 min.

  Commercial business communications; stationed at 101 deg W. C, Ku band communications satellite. Positioned in geosynchronous orbit at 101 deg W in 1991-1999; 81 deg W in 2000. As of 6 September 2001 located at 172.04 deg E drifting at 0.007 deg W per day. As of 2007 Mar 9 located at 34.51E drifting at 2.539W degrees per day.

• Aurora 2 - . Payload: Satcom-C 5. Mass: 1,336 kg (2,945 lb). Nation: USA. Agency: GE. Manufacturer: Lockheed. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 3000. USAF Sat Cat: 21392 . COSPAR: 1991-037A. Apogee: 36,161 km (22,469 mi). Perigee: 36,125 km (22,446 mi). Inclination: 1.20 deg. Period: 1,454.40 min.

  Stationed at 139 deg W. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). Positioned in geosynchronous orbit at 139 deg W in 1991-1999 As of 30 August 2001 located at 148.31 deg E drifting at 4.531 deg W per day. As of 2007 Mar 9 located at 2.15E drifting at 4.534W degrees per day.

• USA 79 - . Payload: GPS 2A-12 / GPS SVN 25. Mass: 1,816 kg (4,003 lb). Nation: USA. Agency: USAF. Manufacturer: Seal Beach. Program: Navstar. Class: Navigation. Type: Navigation satellite. Spacecraft Bus: Navstar. Spacecraft: GPS Block 2 and 2A. USAF Sat Cat: 21890 . COSPAR: 1992-009A. Apogee: 20,332 km (12,633 mi). Perigee: 20,032 km (12,447 mi). Inclination: 54.20 deg. Period: 718.00 min. Global Positioning System. Placed in Plane A Slot 2..

• USA 80 - . Payload: GPS 2A-13 / GPS SVN 28. Mass: 1,816 kg (4,003 lb). Nation: USA. Agency: USAF. Manufacturer: Seal Beach. Program: Navstar. Class: Navigation. Type: Navigation satellite. Spacecraft Bus: Navstar. Spacecraft: GPS Block 2 and 2A. USAF Sat Cat: 21930 . COSPAR: 1992-019A. Apogee: 20,277 km (12,599 mi). Perigee: 20,082 km (12,478 mi). Inclination: 54.50 deg. Period: 717.90 min. Global Positioning System. Retired 15 August 1997..

• Palapa B4 - . Mass: 1,254 kg (2,764 lb). Nation: Indonesia. Agency: PT Telkom. Program: Palapa. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 376. USAF Sat Cat: 21964 . COSPAR: 1992-027A. Apogee: 35,790 km (22,230 mi). Perigee: 35,787 km (22,236 mi). Inclination: 0.00 deg. Period: 1,436.20 min. Stationed at 118 deg E. Positioned in geosynchronous orbit at 118 deg E in 1992-1999 As of 2 September 2001 located at 118.02 deg E drifting at 0.020 deg W per day. As of 2007 Mar 9 located at 164.88E drifting at 1.157W degrees per day..

• USA 83 - . Payload: GPS 2A-14 / GPS SVN 26. Mass: 1,816 kg (4,003 lb). Nation: USA. Agency: USAF. Manufacturer: Seal Beach. Program: Navstar. Class: Navigation. Type: Navigation satellite. Spacecraft Bus: Navstar. Spacecraft: GPS Block 2 and 2A. USAF Sat Cat: 22014 . COSPAR: 1992-039A. Apogee: 20,400 km (12,600 mi). Perigee: 19,962 km (12,403 mi). Inclination: 54.90 deg. Period: 718.00 min. Global Positioning System. Placed in Plane F Slot 2..

• Satcom C4 - . Mass: 2,000 kg (4,400 lb). Nation: USA. Agency: GE Americom. Manufacturer: Lockheed. Program: Satcom. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 3000. USAF Sat Cat: 22096 . COSPAR: 1992-057A. Apogee: 35,789 km (22,238 mi). Perigee: 35,786 km (22,236 mi). Inclination: 0.10 deg. Period: 1,436.20 min. Stationed at 135 deg W. Positioned in geosynchronous orbit at 135 deg W in 1992-1999 As of 3 September 2001 located at 135.00 deg W drifting at 0.002 deg E per day. As of 2007 Mar 10 located at 164.40W drifting at 4.518W degrees per day..

• DFS 3 - . Payload: Kopernikus 3. Mass: 1,400 kg (3,000 lb). Nation: Germany. Agency: Bundespost. Program: DFS. Class: Communications. Type: Civilian communications satellite. Spacecraft: Spacebus 100. USAF Sat Cat: 22175 . COSPAR: 1992-066A. Apogee: 35,799 km (22,244 mi). Perigee: 35,773 km (22,228 mi). Inclination: 0.50 deg. Period: 1,436.10 min.

  Stationed at 33.5 deg E. Communication satellite. Longitude 33.5 deg E. Delta II flight no 212. Positioned in geosynchronous orbit at 31 deg E in 1992; 23 deg E in 1993-1999 As of 1 September 2001 located at 23.45 deg E drifting at 0.001 deg E per day. As of 2007 Mar 9 located at 29.79E drifting at 1.955W degrees per day.

• USA 87 - . Payload: GPS 2A-17 / GPS SVN 29. Mass: 1,816 kg (4,003 lb). Nation: USA. Agency: USAF. Manufacturer: Seal Beach. Program: Navstar. Class: Navigation. Type: Navigation satellite. Spacecraft Bus: Navstar. Spacecraft: GPS Block 2 and 2A. USAF Sat Cat: 22275 . COSPAR: 1992-089A. Apogee: 20,324 km (12,628 mi). Perigee: 20,038 km (12,451 mi). Inclination: 54.70 deg. Period: 718.00 min. Global Positioning System. Placed in Plane F Slot 5..

• USA 94 - . Payload: GPS 2A-22 / GPS SVN 35. Mass: 1,816 kg (4,003 lb). Nation: USA. Agency: USAF. Manufacturer: Seal Beach. Program: Navstar. Class: Navigation. Type: Navigation satellite. Spacecraft Bus: Navstar. Spacecraft: GPS Block 2 and 2A. USAF Sat Cat: 22779 . COSPAR: 1993-054A. Apogee: 20,255 km (12,585 mi). Perigee: 20,110 km (12,490 mi). Inclination: 54.90 deg. Period: 718.00 min. Global Positioning System. Placed in Plane B Slot 4..

• USA 96 - . Payload: GPS 2A-23 / GPS SVN 34. Mass: 1,816 kg (4,003 lb). Nation: USA. Agency: USAF. Manufacturer: Seal Beach. Program: Navstar. Class: Navigation. Type: Navigation satellite. Spacecraft Bus: Navstar. Spacecraft: GPS Block 2 and 2A. USAF Sat Cat: 22877 . COSPAR: 1993-068A. Apogee: 20,260 km (12,580 mi). Perigee: 20,104 km (12,492 mi). Inclination: 55.10 deg. Period: 718.00 min. Global Positioning System. Placed in Plane D Slot 4..

• Galaxy 1R - . Payload: Galaxy 1RR. Mass: 1,391 kg (3,066 lb). Nation: USA. Agency: HCI. Program: Galaxy. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 376. USAF Sat Cat: 23016 . COSPAR: 1994-013A. Apogee: 35,797 km (22,243 mi). Perigee: 35,774 km (22,228 mi). Inclination: 0.00 deg. Period: 1,436.10 min.

  Stationed at 133 deg W; replaced Galaxy 1. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A). Positioned in geosynchronous orbit at 133 deg W in 1994-1999 As of 5 September 2001 located at 132.97 deg W drifting at 0.005 deg E per day. As of 2007 Mar 9 located at 88.88W drifting at 3.795W degrees per day.

• Wind - . Mass: 1,195 kg (2,634 lb). Nation: USA. Agency: NASA Greenbelt. Class: Earth. Type: Magnetosphere satellite. Spacecraft: Wind. USAF Sat Cat: 23333 . COSPAR: 1994-071A. Apogee: 1,578,658 km (980,930 mi). Perigee: 48,840 km (30,340 mi). Inclination: 19.65 deg. Period: 318,240.00 min.

  Solar wind research in L-1 halo orbit; part of International Solar Terrestrial Physics program. 221 day orbit. NASA's Wind probe made its 32nd lunar flyby on August 19, 2000, with a closest approach of 7600 km to the surface. This placed it on a 2 million km apogee orbit, adjusted on August 26 to an approximately 567000 x 1620000 km x 21.8 deg `Distant Prograde Orbit', reaching apogee on September 29 2000.

• Mugunghwa 1 - . Payload: Koreasat 1. Mass: 1,459 kg (3,216 lb). Nation: Korea South. Agency: KT. Manufacturer: Lockheed. Program: Koreasat. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 3000. USAF Sat Cat: 23639 . COSPAR: 1995-041A. Apogee: 35,796 km (22,242 mi). Perigee: 35,776 km (22,230 mi). Inclination: 2.70 deg. Period: 1,436.10 min.

  15 Ku-band transponders; boosted into geosynch orbit by satellite thrusters following Delta failure that left satellite in LEO; unplanned use of satellite propellant cut usable satellite lifetime by approx. 50 percent. Stationed at 116.0 deg E. Stage 1 SRM failure Positioned in geosynchronous orbit at 116 deg E in 1995-1999 As of 5 September 2001 located at 47.22 deg E drifting at 0.022 deg E per day. As of 2007 Mar 9 located at 152.88E drifting at 2.155W degrees per day.

• Koreasat 2 - . Mass: 600 kg (1,320 lb). Nation: Korea South. Agency: KT. Manufacturer: Lockheed. Program: Koreasat. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 3000. Completed Operations Date: 2000-04-08 . USAF Sat Cat: 23768 . COSPAR: 1996-003A. Apogee: 35,792 km (22,240 mi). Perigee: 35,782 km (22,233 mi). Inclination: 0.00 deg. Period: 1,436.20 min. Geostationary at 116.0E. Positioned in geosynchronous orbit at 116 deg E in 1996-2000 As of 5 September 2001 located at 113.02 deg E drifting at 0.017 deg W per day. As of 2007 Mar 11 located at 116.35E drifting at 0.013W degrees per day..

• NEAR - . Payload: Discovery 1. Mass: 818 kg (1,803 lb). Nation: USA. Agency: NASA Greenbelt. Program: Discovery series. Class: Asteroids. Type: Asteroid probe. Spacecraft: NEAR. Decay Date: 2001-02-12 . USAF Sat Cat: 23784 . COSPAR: 1996-008A.

  Near Earth Asteroid Rendezvous (NEAR) mission was the first of NASA's Discovery missions, a series of small-scale spacecraft designed to proceed from development to flight in under three years for a cost of less than $150 million. The spacecraft's mission was to rendezvous with and achieve orbit around the asteroid Eros in January 1999, and study the asteroid for one year. However as it flew by the Earth on 23 January 1998, a problem caused an abort of the first encounter burn. The mission had to be rescoped for a later encounter but successfully entered orbit around Eros on Valentine's Day 2000 and ended the mission by gently landing on its surface on 12 February 2001.

• USA 117 - . Payload: GPS 2A-25 / GPS SVN 33. Mass: 1,816 kg (4,003 lb). Nation: USA. Agency: USAF. Manufacturer: Seal Beach. Program: Navstar. Class: Navigation. Type: Navigation satellite. Spacecraft Bus: Navstar. Spacecraft: GPS Block 2 and 2A. USAF Sat Cat: 23833 . COSPAR: 1996-019A. Apogee: 20,257 km (12,587 mi). Perigee: 20,106 km (12,493 mi). Inclination: 54.60 deg. Period: 718.00 min. Placed in Plane C Slot 2 of the constellation..

• Galaxy 9 - . Nation: USA. Agency: HCI. Program: Galaxy. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 601. USAF Sat Cat: 23877 . COSPAR: 1996-033A. Apogee: 35,789 km (22,238 mi). Perigee: 35,783 km (22,234 mi). Inclination: 0.00 deg. Period: 1,436.10 min.

  Geostationary at 123.0W. Positioned in geosynchronous orbit at 123 deg W in 1996-2000; 127 deg W in 2000.- As of 5 September 2001 located at 126.96 deg W drifting at 0.001 deg W per day. As of 2007 Mar 11 located at 74.14W drifting at 0.004W degrees per day.

• Mars Pathfinder - . Payload: Discovery 2. Nation: USA. Agency: JPL, NASA. Program: Discovery series. Class: Mars. Type: Mars probe. Spacecraft Bus: Mars Rovers. Spacecraft: Mars Pathfinder. Decay Date: 1997-07-04 . USAF Sat Cat: 24667 . COSPAR: 1996-068A. En route Mars.

• MPF Cruise Stage - . Nation: USA. Agency: MDSSC. Spacecraft Bus: Mars Rovers. Spacecraft: Mars Pathfinder. COSPAR: 1996-068xx.

• Sojourner - . Payload: MFEX Rover. Nation: USA. Agency: MDSSC. Spacecraft Bus: Mars Rovers. Spacecraft: Mars Pathfinder. COSPAR: 1996-068xx.

• Skynet 4D - . Mass: 1,490 kg (3,280 lb). Nation: UK. Agency: MoD. Manufacturer: Martin. Program: Skynet. Class: Communications. Type: Military communications satellite. Spacecraft: ECS/OTS. USAF Sat Cat: 25134 . COSPAR: 1998-002A. Apogee: 35,795 km (22,241 mi). Perigee: 35,776 km (22,230 mi). Inclination: 3.90 deg. Period: 1,436.00 min. Geostationary at 52.8 degrees E. Positioned in geosynchronous orbit at 53 deg E in 1998-1999; moving As of 4 September 2001 located at 34.00 deg W drifting at 0.004 deg W per day. As of 2007 Mar 10 located at 34.33W drifting at 0.016W degrees per day..

• Galaxy 10 - . Payload: HS 601HP. Mass: 3,876 kg (8,545 lb). Nation: USA. Agency: PanAmSat. Manufacturer: El Segundo. Program: Galaxy. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 601.

  Built by Hughes/El Segundo for Panamsat. The satellite carried 24 C-band and 24 Ku-band transponders to provide US/Caribbean coverage, and was to have replaced the ageing SBS-5 satellite at 123 deg West. Replenishing the Galaxy/PAS constellation was a high priority for Panamsat following the loss of Galaxy 4 and problems with Galaxy 7. Galaxy 11 was not scheduled to go up until the first launch of the Sea Launch Zenit-3SL in early 1999, and this booster was in limbo due to legal problems with unauthorised transfer of technical data from Boeing to Russia. In addition there were several PAS satellites awaiting launch over the next year on Proton and Ariane vehicles.

• BONUM-1 - . Mass: 2,800 kg (6,100 lb). Nation: Russia. Agency: Telenor. Manufacturer: El Segundo. Program: BONUM. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 376. USAF Sat Cat: 25546 . COSPAR: 1998-068A. Apogee: 35,794 km (22,241 mi). Perigee: 35,778 km (22,231 mi). Inclination: 0.20 deg. Period: 1,436.10 min.

  BONUM-1 provided domestic Russian television service for Media Most, a Moscow media enterprise, broadcasting 50 channels to western Russia from a geostationary orbit at 36 degrees E. Mass was 1426 kg at launch, 800 kg of that propellant. BONUM-1 carried 8 Ku-band transponders. The Delta upper stage raised the initial 157 km x 189 km at 29.2 degree parking orbit to 159 km x 1304 km and then 1228 km x 1683 km at 26.7 degrees. A Thiokol Star 48B solid third stage boosted BONUM-1 to a 1285 x 36703 km x 19.5 degree geostationary transfer orbit, with the Thiokol Star 30 apogee kick motor placing the satellite in its final geostationary orbit. After separation of the spacecraft, the Delta made a final depletion burn to lower its orbit to 274 km x 1552 km x 25.6 degree to ensure it would quickly decay and burn up in the atmosphere. Geostationary at 35.9 degrees E. From 8 August 2000 position was 56.0 degrees E. Positioned in geosynchronous orbit at 36 deg E in 1998-1999 55 deg E in 2000. As of 5 September 2001 located at 56.03 deg E drifting at 0.016 deg W per day. As of 2007 Mar 10 located at 55.94E drifting at 0.008W degrees per day.

• Mars Polar Lander - . Mass: 576 kg (1,269 lb). Nation: USA. Agency: JPL. Manufacturer: Martin. Class: Mars. Type: Mars probe. Spacecraft: Mars Polar Lander. Decay Date: 1999-12-03 . USAF Sat Cat: 25605 . COSPAR: 1999-001A.

  The Mars Polar Lander was placed by the first burn of the second stage into a 157 x 245 km x 28.35 deg parking orbit. The second stage restarted at 20:55 GMT and shut down in a 226 x 740 km x 25.8 deg Earth orbit. The solid rocket third stage (a Star 48B with a Nutation Control System and a yo-yo despin device) then ignited and put the spacecraft into solar orbit, separating at 21:02 GMT. Mars Polar Lander was to land near the south pole of Mars on December 3, 1999, and conduct conduct a three month mission, trenching near its landing site and testing for the presense of frozen water and carbon dioxide. Attached were two Deep Space 2 Microprobes, penetrators which would impact the Martian surface separately from the lander and return data on subsurface conditions from widely spaced points.

  When the spacecraft reached Mars on December 3, the lander separated from the cruise stage at 19:51 UTC and the two penetrators, Scott and Amundsen, were to separate about 20 seconds later. No further communications were ever received from the spacecraft. Landing had been expected at 20:01 UTC at 76.1S 195.3W, with the penetrators landing a few kilometres from each other at 75.0S 196.5W.

  This failure resulted in a review and reassessment of NASA's 'faster, better, cheaper' approach to planetary missions.

• DS2 Microprobe 1 - . Nation: USA. Agency: Douglas. Class: Mars. Type: Mars probe. Spacecraft Bus: Mars Polar Lander. Spacecraft: DS2 Microprobe. USAF Sat Cat: 25606 . COSPAR: 1999-001B.

• DS2 Microprobe 2 - . Nation: USA. Agency: Douglas. Class: Mars. Type: Mars probe. Spacecraft Bus: Mars Polar Lander. Spacecraft: DS2 Microprobe. Decay Date: 1999-03-23 . USAF Sat Cat: 25607 . COSPAR: 1999-001C. Apogee: 645 km (400 mi). Perigee: 220 km (130 mi). Inclination: 25.80 deg. Period: 93.23 min.

• Orion 3 - . Payload: HS 601HP. Mass: 4,300 kg (9,400 lb). Nation: USA. Agency: Palo Alto. Manufacturer: El Segundo. Program: Orion. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 601. USAF Sat Cat: 25727 . COSPAR: 1999-024A. Apogee: 2,529 km (1,571 mi). Perigee: 2,456 km (1,526 mi). Inclination: 19.80 deg. Period: 138.60 min.

  The Centaur RL-10B-2 second stage engine's combustion chamber ruptured at the beginning of the second burn. The hot gases already in the chamber vented, putting the stage/spacecraft assembly into an uncontrollable tumble. The Orion 3 communications satellite ended up in a useless parking orbit of 162 km x 1378 km x 29.5 deg. It was to have served the Asia-Pacific region for Loral Orion with 33 Ku-band and 10 C-band transponders.

• Globalstar 52 - . Mass: 222 kg (489 lb). Nation: USA. Agency: Globalstar. Class: Communications. Type: Civilian communications satellite. Spacecraft: Globalstar. USAF Sat Cat: 25770 . COSPAR: 1999-031A. Apogee: 1,414 km (878 mi). Perigee: 1,413 km (877 mi). Inclination: 52.00 deg. Period: 114.10 min.

• Globalstar 47 - . Mass: 222 kg (489 lb). Nation: USA. Agency: Globalstar. Class: Communications. Type: Civilian communications satellite. Spacecraft: Globalstar. USAF Sat Cat: 25773 . COSPAR: 1999-031D. Apogee: 1,415 km (879 mi). Perigee: 1,412 km (877 mi). Inclination: 52.00 deg. Period: 114.10 min.

• Globalstar 49 - . Mass: 222 kg (489 lb). Nation: USA. Agency: Globalstar. Class: Communications. Type: Civilian communications satellite. Spacecraft: Globalstar. USAF Sat Cat: 25771 . COSPAR: 1999-031B. Apogee: 2,101 km (1,305 mi). Perigee: 2,099 km (1,304 mi). Inclination: 52.00 deg. Period: 129.50 min.

• Globalstar 25 - . Mass: 222 kg (489 lb). Nation: USA. Agency: Globalstar. Class: Communications. Type: Civilian communications satellite. Spacecraft: Globalstar. USAF Sat Cat: 25772 . COSPAR: 1999-031C. Apogee: 1,414 km (878 mi). Perigee: 1,413 km (877 mi). Inclination: 52.00 deg. Period: 114.10 min.

• Globalstar 32 - . Mass: 222 kg (489 lb). Nation: USA. Agency: Globalstar. Class: Communications. Type: Civilian communications satellite. Spacecraft: Globalstar. USAF Sat Cat: 25851 . COSPAR: 1999-037A. Apogee: 1,414 km (878 mi). Perigee: 1,413 km (877 mi). Inclination: 52.00 deg. Period: 114.10 min.

• Globalstar 30 - . Mass: 222 kg (489 lb). Nation: USA. Agency: Globalstar. Class: Communications. Type: Civilian communications satellite. Spacecraft: Globalstar. USAF Sat Cat: 25852 . COSPAR: 1999-037B. Apogee: 1,415 km (879 mi). Perigee: 1,413 km (877 mi). Inclination: 52.00 deg. Period: 114.10 min.

• Globalstar 35 - . Mass: 222 kg (489 lb). Nation: USA. Agency: Globalstar. Class: Communications. Type: Civilian communications satellite. Spacecraft: Globalstar. USAF Sat Cat: 25853 . COSPAR: 1999-037C. Apogee: 1,415 km (879 mi). Perigee: 1,413 km (877 mi). Inclination: 52.00 deg. Period: 114.10 min.

• Globalstar 51 - . Mass: 222 kg (489 lb). Nation: USA. Agency: Globalstar. Class: Communications. Type: Civilian communications satellite. Spacecraft: Globalstar. USAF Sat Cat: 25854 . COSPAR: 1999-037D. Apogee: 1,414 km (878 mi). Perigee: 1,413 km (877 mi). Inclination: 52.00 deg. Period: 114.10 min.

• Globalstar 24 - . Mass: 222 kg (489 lb). Nation: USA. Agency: Globalstar. Class: Communications. Type: Civilian communications satellite. Spacecraft: Globalstar. USAF Sat Cat: 25883 . COSPAR: 1999-043A. Apogee: 2,113 km (1,312 mi). Perigee: 2,108 km (1,309 mi). Inclination: 52.00 deg. Period: 129.70 min.

• Globalstar 54 - . Mass: 222 kg (489 lb). Nation: USA. Agency: Globalstar. Class: Communications. Type: Civilian communications satellite. Spacecraft: Globalstar. USAF Sat Cat: 25886 . COSPAR: 1999-043D. Apogee: 2,024 km (1,257 mi). Perigee: 2,021 km (1,255 mi). Inclination: 52.00 deg. Period: 127.70 min.

• Globalstar 27 - . Mass: 222 kg (489 lb). Nation: USA. Agency: Globalstar. Class: Communications. Type: Civilian communications satellite. Spacecraft: Globalstar. USAF Sat Cat: 25884 . COSPAR: 1999-043B. Apogee: 1,414 km (878 mi). Perigee: 1,413 km (877 mi). Inclination: 52.00 deg. Period: 114.10 min.

• Globalstar 53 - . Mass: 222 kg (489 lb). Nation: USA. Agency: Globalstar. Class: Communications. Type: Civilian communications satellite. Spacecraft: Globalstar. USAF Sat Cat: 25885 . COSPAR: 1999-043C. Apogee: 1,970 km (1,220 mi). Perigee: 1,961 km (1,218 mi). Inclination: 52.00 deg. Period: 126.40 min.

• Globalstar M060 - . Payload: Globalstar 60. Mass: 450 kg (990 lb). Nation: USA. Agency: Globalsat. Manufacturer: Alenia, Palo Alto. Class: Communications. Type: Civilian communications satellite. Spacecraft: Globalstar. USAF Sat Cat: 26081 . COSPAR: 2000-008A. Apogee: 1,414 km (878 mi). Perigee: 1,413 km (877 mi). Inclination: 52.00 deg. Period: 114.10 min. Mobile Telephony. These four Globalstar satellites completed the Globalstar initial constellation..

• Globalstar M062 - . Payload: Globalstar 62. Mass: 450 kg (990 lb). Nation: USA. Agency: Globalsat. Manufacturer: Alenia, Palo Alto. Class: Communications. Type: Civilian communications satellite. Spacecraft: Globalstar. USAF Sat Cat: 26082 . COSPAR: 2000-008B. Apogee: 1,418 km (881 mi). Perigee: 1,417 km (880 mi). Inclination: 52.01 deg. Period: 114.09 min. Mobile Telephony. .

• Globalstar M064 - . Payload: Globalstar 64. Mass: 450 kg (990 lb). Nation: USA. Agency: Globalsat. Manufacturer: Alenia, Palo Alto. Class: Communications. Type: Civilian communications satellite. Spacecraft: Globalstar. USAF Sat Cat: 26084 . COSPAR: 2000-008D. Apogee: 934 km (580 mi). Perigee: 915 km (568 mi). Inclination: 52.01 deg. Period: 103.43 min. Mobile Telephony. .

• Globalstar M063 - . Payload: Globalstar 63. Mass: 450 kg (990 lb). Nation: USA. Agency: Globalsat. Manufacturer: Alenia, Palo Alto. Class: Communications. Type: Civilian communications satellite. Spacecraft: Globalstar. USAF Sat Cat: 26083 . COSPAR: 2000-008C. Apogee: 1,415 km (879 mi). Perigee: 1,413 km (877 mi). Inclination: 52.00 deg. Period: 114.10 min. Mobile Telephony. .

• DM-F3 - . Payload: Dummy Payload. Mass: 4,348 kg (9,585 lb). Nation: USA. Agency: Seal Beach. Manufacturer: Douglas. Class: Technology. Type: Navigation technology satellite. Spacecraft: HS 601. Decay Date: 2009-02-04 . USAF Sat Cat: 26476 . COSPAR: 2000-048A. Apogee: 19,547 km (12,145 mi). Perigee: 212 km (131 mi). Inclination: 27.60 deg.

  Vehicle Demonstration. Return to flight following earlier failure. The third Boeing Delta III launch was financed by the company and carried a dummy payload in order to bolster customer confidence in the new launch vehicle. The second stage ignited at an altitude of 158 km and the RL-10 shut off as planned in a 157 x 1363 km x 29.5 deg parking orbit. The engine fired again until fuel depletion, to place the vehicle in a geostationary transfer orbit of 190 x 20,655 km x 27.6 deg. This was much lower than that planned (23,400 km plus or minus 3,000 km) due to the fuel temperature and atmospheric conditions on the day of launch. The DM-F3 dummy payload was a mass model of the Orion 3 HS-601 satellite launched on the second Delta 3. The 4348 kg model was a 2.0m diameter, 1.7m high cylinder with two circular end plates, painted with black and white patterns. It was to be used by US Air Force researchers as a calibration target.

• USA 158 - . Payload: GeoLITE. Mass: 93 kg (205 lb). Nation: USA. Agency: NRO. Manufacturer: TRW. Class: Communications. Type: Military communications satellite. Spacecraft Bus: T310. Spacecraft: GeoLITE. USAF Sat Cat: 26770 . COSPAR: 2001-020A. Apogee: 35,700 km (22,100 mi). Perigee: 179 km (111 mi). Inclination: 19.50 deg. Period: 629.01 min.

  Military Communications Technology flight. Launch delayed from March 1, April 25, May 2 and 17. GeoLITE, US National Reconnaissance Office spacecraft was into placed by the Delta launch vehicle into a geostationary transfer orbit. GeoLITE was a TRW T-310 class satellite with a mass of about 1800 kg, including a solid apogee motor. The satellite carried an experimental laser communications payload and an operational UHF data relay payload.

• MAP - . Mass: 840 kg (1,850 lb). Nation: USA. Agency: NASA Greenbelt. Class: Astronomy. Type: Infrared astronomy satellite. Spacecraft: MAP. USAF Sat Cat: 26859 . COSPAR: 2001-027A. Apogee: 379,553 km (235,842 mi). Perigee: 4,704 km (2,922 mi). Inclination: 27.80 deg. Period: 14,669.70 min.

  NASA's Microwave Anisotropy Probe (MAP) was placed in a 167 x 204 km x 28.8 deg parking orbit at 1958 GMT. At 2104 GMT the second stage ignited again for a 4 second burn, raising the orbit to around 181 x 308 km; the third stage spun up and ignited at 2108 GMT, accelerating MAP to a highly elliptical orbit of 182 x 292,492 km x 28.7 deg. MAP used on-board fuel to tweak the orbit and make a lunar flyby at fourth apogee on July 30, arriving at the L2 Earth-Moon Lagrangian point 1.5 million km from Earth three months later. From L2, MAP was to measure fluctuations in the cosmic 3 Kelvin microwave background with the degree of precision required to answer questions about the big bang and the total mass and fate of the universe. By July 22 the MAP probe was in a 4055 x 355,935 km x 28.0 deg orbit. It flew past the Moon on July 30 at 1639 GMT at an altitude of 5200 km above the lunar surface.

• USA 166 - . Payload: GPS 2R-8 / Navstar 51. Mass: 2,032 kg (4,479 lb). Nation: USA. Agency: USAF. Manufacturer: Lockheed. Program: Navstar. Class: Navigation. Type: Navigation satellite. Spacecraft Bus: AS 4000. Spacecraft: GPS Block 2R. USAF Sat Cat: 27663 . COSPAR: 2003-005A. Apogee: 20,352 km (12,646 mi). Perigee: 20,163 km (12,528 mi). Inclination: 55.06 deg. Period: 720.74 min. Launch delayed from June 11 and August 16, 2001; March 6, April 29, August 11 and November 7, 2002..

• XSS-10 - . Mass: 28 kg (61 lb). Nation: USA. Manufacturer: USAF RL. Class: Technology. Type: Rendezvous technology satellite. Spacecraft: XSS. USAF Sat Cat: 27664 . COSPAR: 2003-005B. Apogee: 811 km (503 mi). Perigee: 524 km (325 mi). Inclination: 39.75 deg. Period: 97.95 min.

  On-orbit servicing technology demonstrator. XSS-10, a 28 kilogram microsatellite, was launched as a secondary payload aboard the Delta 2 launch vehicle carrying a Global Positioning Satellite (GPS) satellite. The mission demonstrated the complex interactions of line-of-sight guidance with basic inertial maneuvering. The micro-satellite was attached to the Delta 2 second stage. Once the second stage separated from the GPS satellite, the microsatellite waited for a sunlit Air Force Space Control Network pass before ejecting from the second stage. Once ejected, the microsatellite commenced an autonomous inspection sequence around the second stage, and live video was transmitted to ground stations. The entire mission lasted only 24 hours. Launch delayed from June 11 and August 16, 2001; March 6, April 29, August 11 and November 7, 2002.

• Opportunity (Mars Exploration Rover B, MER-1) - . Mass: 1,063 kg (2,343 lb). Nation: USA. Agency: JPL. Class: Mars. Type: Mars probe. Spacecraft: MER. Decay Date: 2004-01-25 . USAF Sat Cat: 27849 . COSPAR: 2003-032A.

  NASA's second Mars Exploration Rover, MER-B (MER-1) 'Opportunity', was launched by a Delta 7925H, which was similar to the standard 7925 model but with larger GEM-46 solid strapon motors previously used only on the Delta III 8930. MER-B separated from the Delta third stage at 0436 UTC and was then on its way to Mars. The launch had been delayed from June 26, 29 and 30, July 3, 6 and 7. Mass included cruise stage, lander and rover. Rover mass was 170 kg, lander 360 kg.

• SIRTF - . Mass: 923 kg (2,034 lb). Nation: USA. Agency: NASA. Class: Astronomy. Type: Infrared astronomy satellite. Spacecraft: SIRTF. USAF Sat Cat: 27871 . COSPAR: 2003-038A.

  Originally to have launched January 9, 2003. Delayed six times. The Space Infrared Telescope Facility (SIRTF) was the last of NASA's 'Great Observatories'. It had a 0.85-meter infrared telescope, with a liquid-helium cooled focal plane carrying the three main instruments. SIRTF was launched by the second Delta II Heavy. The second stage entered a 166 x 167 km x 31.5 deg Earth parking orbit, and after about 33 minutes of coast, passing south of Madagascar, restarted at 0613 UTC to enter a hyperbolic orbit with a perigee of 170 km, an eccentricity of 1.0061, and a velocity of 11.05 km/s. This placed it in a solar orbit of 0.996 x 1.019 AU x 1.14 deg with a year about 4 days longer than Earth's.

• USA 177 - . Payload: GPS 2R-11 / Navstar 54. Mass: 2,032 kg (4,479 lb). Nation: USA. Agency: USAF. Manufacturer: Lockheed. Program: Navstar. Class: Navigation. Type: Navigation satellite. Spacecraft Bus: AS 4000. Spacecraft: GPS Block 2R. USAF Sat Cat: 28190 . COSPAR: 2004-009A. Apogee: 20,268 km (12,593 mi). Perigee: 20,100 km (12,400 mi). Inclination: 55.00 deg. Period: 718.00 min. Launch delayed from December 19, 2003, March 8, 2004..

• USA 178 - . Payload: GPS 2R-12 / Navstar 55. Mass: 2,032 kg (4,479 lb). Nation: USA. Agency: USAF. Manufacturer: Lockheed. Program: Navstar. Class: Navigation. Type: Navigation satellite. Spacecraft Bus: AS 4000. Spacecraft: GPS Block 2R. USAF Sat Cat: 28361 . COSPAR: 2004-023A. Apogee: 20,273 km (12,597 mi). Perigee: 20,090 km (12,480 mi). Inclination: 55.10 deg. Period: 717.90 min. Delayed from February 17. Delayed from June 5, 11, 13, 14, 16, 18, 19, 20 and 21. Moved up from July 20..

• Messenger - . Payload: Discovery 8. Mass: 1,066 kg (2,350 lb). Nation: USA. Agency: NASA. Manufacturer: APL. Program: Discovery series. Class: Mercury. Type: Mercury probe. Spacecraft: Messenger. USAF Sat Cat: 28391 . COSPAR: 2004-030A. Apogee: 0 km (0 mi). Perigee: 0 km (0 mi). Inclination: 0.00 deg. Period: 0.00 min.

  The NASA Messenger probe to Mercury was was first placed into a parking orbit. The Delta booster second stage's second burn raised the orbit, then the PAM-D solid motor burned to put the probe on an escape trajectory into a 0.92 x 1.08 AU x 6.4 deg heliocentric orbit. Messenger (Mercury Surface, Space Environment, Geochemistry and Ranging) was to make an Earth flyby on August 1, 2005; Venus flybys in 2006 and 2007; and Mercury encounters in January and October 2008 , September 2009 and March 2011 . On this last encounter the Aerojet 660N engine was to fire to put Messenger into a 200 x 15,193 km x 80 deg orbit around Mercury. Launch delayed from March 10, May 11, August 2

• USA 180 - . Payload: GPS 2R-13 / Navstar 61. Mass: 2,032 kg (4,479 lb). Nation: USA. Agency: USAF. Manufacturer: Lockheed. Program: Navstar. Class: Navigation. Type: Navigation satellite. Spacecraft Bus: AS 4000. Spacecraft: GPS Block 2R. USAF Sat Cat: 28474 . COSPAR: 2004-045A. Apogee: 20,413 km (12,684 mi). Perigee: 19,810 km (12,300 mi). Inclination: 54.90 deg. Period: 715.10 min. Launch delayed from September 22, October 8, 25 and 30, November 5. Fired its apogee motor at around 02:40 GMT on November 9 to transfer from its initial 159 x 20380 km x 39.1 deg transfer orbit to its operational orbit in the GPS constellation..

• Deep Impact - . Payload: Discovery 7. Mass: 601 kg (1,324 lb). Nation: USA. Agency: Seal Beach. Program: Discovery series. Class: Comet. Type: Comet probe. Spacecraft: Deep Impact. USAF Sat Cat: 28517 . COSPAR: 2005-001A.

  Launched into a 0.981 AU x 1.628 AU solar orbit inclined 0.6 deg to the ecliptic. Deep Impact was to fly by Comet 9P/Tempel-1 on 3 July 2005. An impacter it released was to hit the comet on 4 July at 10.2 km/s, producing a crater and ejecta plume that would allow the flyby spacecraft to determine the composition and structure of the comet's nucleus.

• Stereo Ahead - . Mass: 1,240 kg (2,730 lb). Nation: USA. Agency: Seal Beach. Class: Astronomy. Type: Solar satellite. Spacecraft: Stereo. USAF Sat Cat: 29510 . COSPAR: 2006-047A.

  The booster was used to put the twin spacecraft in a 182 km x 403,810 km x 28.5 deg lunar transfer orbit. They would use a series of lunar flybys to eventually place themselves in two different solar orbits: Stereo Ahead in a 0.95 AU x 0.97 AU x 0.12 Deg / 344 day orbit around the Sun leading the Earth, and Stereo Behind in a 0.99 AU x 1.09 AU x 0.03 deg / 389 day orbit trailing the Earth. The satellites were equipped with optical, ultraviolet, radio, and particle sensors that would allow them to form a three-dimensional image of the sun's corona using identical sensors from two vantage points at the same moment.

• Stereo Behind - . Nation: USA. Agency: Seal Beach. Class: Astronomy. Type: Solar satellite. Spacecraft: Stereo. USAF Sat Cat: 29511 . COSPAR: 2006-047B.

  Communications with the STEREO-B science craft in solar orbit had been lost on 2014 Oct 1 for unknown reasons; by 2016 it was assumed the mission had been lost, but on Aug 21 the big DSS-14 dish at Goldstone picked up a signal from it. This was great news for the heliophysics community, but attempts to recover full communications with the tumbling and underpowered spacecraft have met with mixed success, and as of Oct 11 recovery attempts were scaled back until STEREO-B drifts into a more favorable attitude and orbital position.

• Themis P1 - . Payload: Themis A. Mass: 125 kg (275 lb). Nation: USA. Agency: NASA. Manufacturer: Swales. Class: Earth. Type: Magnetosphere satellite. Spacecraft: Themis. USAF Sat Cat: 30580 . COSPAR: 2007-004A. Apogee: 87,254 km (54,217 mi). Perigee: 1,003 km (623 mi). Inclination: 14.10 deg. Period: 1,882.70 min.

  The five simultaneously-launched Time History of Events and Macroscale Interactions during Substorms (THEMIS) satellites were the fifth medium-class mission under NASA's Explorer Program. They formed part of a combined ground- and space- based system designed to determine what physical process in near-Earth space initiate the violent eruptions of the aurora that occur during substorms in the Earth's magnetosphere.

• Themis P2 - . Payload: Themis B. Mass: 125 kg (275 lb). Nation: USA. Agency: NASA. Manufacturer: Swales. Class: Earth. Type: Magnetosphere satellite. Spacecraft: Themis. USAF Sat Cat: 30581 . COSPAR: 2007-004B. Apogee: 87,114 km (54,130 mi). Perigee: 1,004 km (623 mi). Inclination: 14.10 deg. Period: 1,878.80 min.

• Themis P3 - . Payload: Themis C. Mass: 125 kg (275 lb). Nation: USA. Agency: NASA. Manufacturer: Swales. Class: Earth. Type: Magnetosphere satellite. Spacecraft: Themis. USAF Sat Cat: 30582 . COSPAR: 2007-004C. Apogee: 87,792 km (54,551 mi). Perigee: 736 km (457 mi). Inclination: 14.20 deg. Period: 1,890.30 min.

• Themis P4 - . Mass: 125 kg (275 lb). Nation: USA. Agency: NASA. Manufacturer: Swales. Class: Earth. Type: Magnetosphere satellite. Spacecraft: Themis. USAF Sat Cat: 30797 . COSPAR: 2007-004D. Apogee: 67,517 km (41,953 mi). Perigee: 4,048 km (2,515 mi). Inclination: 4.60 deg. Period: 1,435.90 min.

• Themis P5 - . Mass: 125 kg (275 lb). Nation: USA. Agency: NASA. Manufacturer: Swales. Class: Earth. Type: Magnetosphere satellite. Spacecraft: Themis. USAF Sat Cat: 30798 . COSPAR: 2007-004E. Apogee: 67,523 km (41,956 mi). Perigee: 4,045 km (2,513 mi). Inclination: 5.10 deg. Period: 1,436.00 min.

• Dawn - . Mass: 1,218 kg (2,685 lb). Nation: USA. Agency: Martin. Class: Surveillance. Type: Civilian surveillance satellite. Spacecraft: Dawn. USAF Sat Cat: 32249 . COSPAR: 2007-043A.

  Asteroid belt unmanned probe designed to first orbit and survey the asteroid Vesta, and then fly on to the largest asteroid, Ceres. The Delta upper stage boosted the spacecraft and PAM-D solid third stage to 9.01 km/sec and a 185 km x 6835 km orbit. The PAM-D fired at 12:29 GMT and released Dawn after accelerating it to 11.50 km/sec and sending it into a 1.00 AU x 1.62 AU x 0.5 deg solar orbit. The ion engines were ignited on 6 October. Using its ion engines and a Mars flyby in February 2009, Dawn was scheduled to reach Vesta in 2011 and Ceres in 2015.

• Fermi Gamma Ray Space Telescope - . Payload: SA-200HP. Mass: 500 kg (1,100 lb). Nation: USA. Agency: Martin. Class: Astronomy. Type: Gamma ray astronomy satellite. Spacecraft: SA-200. USAF Sat Cat: 33053 . COSPAR: 2008-029A. Apogee: 562 km (349 mi). Perigee: 542 km (336 mi). Inclination: 25.60 deg. Period: 95.70 min. Gamma-ray Large Area Space Telescope; renamed Fermi GST after launch..

• Kepler - . Mass: 1,050 kg (2,310 lb). Nation: USA. Agency: Martin. Class: Astronomy. Type: Interstellar planetary detection satellite. Spacecraft: Kepler. USAF Sat Cat: 34380 . COSPAR: 2009-011A.

  Used a 0.95-meter aperture differential photometer with a 105 deg2 field of view to constantly view 145,000 main-sequence stars, detecting planets orbiting around those stars when the planets passed in front of them, dimming them during transit. In its first three years of operation, Kepler detected over 2,000 possible planets, and it was determined that 5.4% of all stars host Earth-size planet candidates, and that 17% of all stars had planets.

• USA 208 - . Payload: STSS 1;STSS DEMO 1. Mass: 1,122 kg (2,473 lb). Nation: USA. Agency: Martin. Class: Military. Type: Anti-satellite system target. Spacecraft: STSS. USAF Sat Cat: 35937 . COSPAR: 2009-052A. Space Tracking and Surveillance System for missile launch and flight monitoring using infrared sensors..

• USA 209 - . Payload: STSS 2;STSS DEMO 2. Mass: 1,122 kg (2,473 lb). Nation: USA. Agency: Martin. Class: Military. Type: Anti-satellite system target. Spacecraft: STSS. USAF Sat Cat: 35938 . COSPAR: 2009-052B. Space Tracking and Surveillance System for missile launch and flight monitoring using infrared sensors..

• Grail A Ebb - . Mass: 202 kg (445 lb). Nation: USA. Class: Moon. Type: Lunar probe. Spacecraft: LM-300. Decay Date: 2012-12-17 . USAF Sat Cat: 37801 . COSPAR: 2011-046A.

  NASA dual-spacecraft lunar gravity mapping mission. Grail A was deployed from the Delta upper stage at 14:28 GMT and Grail B at 14:37 GMT. The spacecraft reached the Sun-Earth L1 point 1.5 million km from Earth and then fell back towards the Moon. Lunar orbit insertion was at 01:00 GMt on 1 January 2012 for Grail A, and at 02:00 GMT on 2 January for Grail B. After completing their mission, the satellites were intentionally crashed onto the lunar surface at 75.62 deg N / 26.63 deg W on 17 December 2012 at 22:29 GMT.

• Grail B Flow - . Mass: 202 kg (445 lb). Nation: USA. Class: Moon. Type: Lunar probe. Spacecraft: LM-300. Decay Date: 2012-12-17 . USAF Sat Cat: 37802 . COSPAR: 2011-046B.

• USA 244 - . Payload: WGS 6. Mass: 6,000 kg (13,200 lb). Nation: USA. Class: Communications. Type: Communications satellite. Spacecraft: HS 702. USAF Sat Cat: 39222 . COSPAR: 2013-041A. Apogee: 66,680 km (41,430 mi). Perigee: 20,934 km (13,007 mi). Inclination: 2.76 deg. Period: 1,864.76 min. US military X/Ka-band Wideband Global Satcom communications satellite. Funded by Australia; the Australian Defense Force also makes use of the WGS network..

• USA 248 - . Payload: Navstar 69 / GPS SVN 64 / IIF-5 / Canopus. Mass: 1,630 kg (3,590 lb). Nation: USA. Class: Navigation. Type: Navigation satellite. Spacecraft Bus: Navstar. Spacecraft: GPS Block 2F. USAF Sat Cat: 39533 . COSPAR: 2014-008A. Apogee: 20,201 km (12,552 mi). Perigee: 20,163 km (12,528 mi). Inclination: 54.94 deg. Period: 717.99 min. Block IIF Global Positioning System satellite; GPS Space Vehicle Number 64, the fifth in the IIF series..

• USA 251 - . Payload: Navstar 70 / GPS SVN 67 / IIF-6 / Rigel. Mass: 1,630 kg (3,590 lb). Nation: USA. Class: Navigation. Type: Navigation satellite. Spacecraft Bus: Navstar. Spacecraft: GPS Block 2F. USAF Sat Cat: 39741 . COSPAR: 2014-026A. Apogee: 20,187 km (12,543 mi). Perigee: 20,175 km (12,536 mi). Inclination: 55.06 deg. Period: 717.92 min.