Encyclopedia Astronautica
AS 3000



lock3000.jpg
A 3000
American communications satellite. 25 launches, 1981.11.20 (RCA Satcom 4; RCA Satcom 3R) to 1996.01.14 (Koreasat 2).

3-axis stabilization with momentum wheels, magnetic torquers, Earth sensors and 2 redundant sets of 7 blowdown monopropellant hydrazine thrusters. Solar arrays provide 2800 W, 3 x 24 Ah NiCd batteries. GEO insertion by Star 370B solid rocket motor. 24 C-band transponders (with 4 spares) .

Gross mass: 600 kg (1,320 lb).
Height: 1.63 m (5.34 ft).
Span: 14.33 m (47.01 ft).
First Launch: 1981.11.20.
Last Launch: 1996.01.14.
Number: 25 .

More... - Chronology...


Associated Countries
Associated Engines
  • Star 30C Thiokol solid rocket engine. 32.6 kN. AS 3000. In Production. Isp=286s. Apogee motor used for the RCA G-STAR and Martin Marietta series 3000 telecom satelllites. More...

See also
  • Ariane First successful European commercial launch vehicle, developed from L3S Europa launch vehicle replacement design. Development of the Ariane 1 was authorised in July 1973, took eight years, and cost 2 billion 1986 Euros. More...
  • Atlas The Atlas rocket, originally developed as America's first ICBM, was the basis for most early American space exploration and was that country's most successful medium-lift commercial launch vehicle. It launched America's first astronaut into orbit; the first generations of spy satellites; the first lunar orbiters and landers; the first probes to Venus, Mars, Mercury, Jupiter, and Saturn; and was America's most successful commercial launcher of communications satellites. Its innovative stage-and-a-half and 'balloon tank' design provided the best dry-mass fraction of any launch vehicle ever built. It was retired in 2004 after 576 launches in a 47-year career. More...
  • Delta The Delta launch vehicle was America's longest-lived, most reliable, and lowest-cost space launch vehicle. Development began in 1955 and it continued in service in the 21st Century despite numerous candidate replacements. More...

Associated Launch Vehicles
  • Atlas The Atlas rocket, originally developed as America's first ICBM, was the basis for most early American space exploration and was that country's most successful medium-lift commercial launch vehicle. It launched America's first astronaut into orbit; the first generations of spy satellites; the first lunar orbiters and landers; the first probes to Venus, Mars, Mercury, Jupiter, and Saturn; and was America's most successful commercial launcher of communications satellites. Its innovative stage-and-a-half and 'balloon tank' design provided the best dry-mass fraction of any launch vehicle ever built. It was retired in 2004 after 576 launches in a 47-year career. More...
  • Delta American orbital launch vehicle. The Delta launch vehicle was America's longest-lived, most reliable, and lowest-cost space launch vehicle. Delta began as Thor, a crash December 1955 program to produce an intermediate range ballistic missile using existing components, which flew thirteen months after go-ahead. Fifteen months after that, a space launch version flew, using an existing upper stage. The addition of solid rocket boosters allowed the Thor core and Able/Delta upper stages to be stretched. Costs were kept down by using first and second-stage rocket engines surplus to the Apollo program in the 1970's. Continuous introduction of new 'existing' technology over the years resulted in an incredible evolution - the payload into a geosynchronous transfer orbit increasing from 68 kg in 1962 to 3810 kg by 2002. Delta survived innumerable attempts to kill the program and replace it with 'more rationale' alternatives. By 2008 nearly 1,000 boosters had flown over a fifty-year career, and cancellation was again announced. More...
  • Ariane French orbital launch vehicle. First successful European commercial launch vehicle, developed from L3S Europa launch vehicle replacement design. Development of the Ariane 1 was authorised in July 1973, took eight years, and cost 2 billion 1986 Euros. More...
  • Ariane 1 French orbital launch vehicle. First version of the Ariane launch vehicle. More...
  • Ariane 2/3 French orbital launch vehicle. Improved version of the Ariane 1. It featured increased thrust first and second stage engines, a 25% stretched third stage, 4 seconds specific impulse improvement in the third stage, a larger internal payload fairing volume, and introduced the Sylda payload carrier for dual payloads. The Ariane 3 version added two solid rocket motor strap-ons. Development was authorised in July 1980 and had a total cost of 144 million 1986 Euros. More...
  • Delta 3910/PAM American orbital launch vehicle. Four stage vehicle consisting of 9 x Castor 4 + 1 x ELT Thor/RS-27 + 1 x Delta P + 1 x Star 48B More...
  • N-2 Licensed version of Delta built in Japan using both US and Japanese components. 4 stage vehicle. More...
  • Delta 2 7000 American orbital launch vehicle. The Delta 7000 series used GEM-40 strap-ons with the Extra Extended Long Tank core, further upgraded with the RS-27A engine. More...
  • Delta 3924 American orbital launch vehicle. Four stage vehicle consisting of 9 x Castor 4A + 1 x ELT Thor/RS-27 + 1 x Delta K + 1 x Star 37E More...
  • Ariane 3 French orbital launch vehicle. Four stage vehicle consisting of 2 x PAP solid rocket boosters + Ariane 2 core. More...
  • H-1 Japanese license-built version of Delta launch vehicle, with Japanese-developed upper stages. More...
  • Ariane 44LP French orbital launch vehicle. Ariane 4 with 2 liquid rocket + 2 solid rocket strap-ons. More...
  • Ariane 44L French orbital launch vehicle. Ariane 4 with 4 liquid rocket strap-ons. More...
  • Atlas I American orbital launch vehicle. The Atlas I launch vehicle was derived from the Atlas G, and included the same basic vehicle components (Atlas booster and Centaur upper stage). Significant improvements in the guidance and control system were made with an emphasis on replacing analog flight control components with digital units interconnected with a digital data bus. More...
  • Ariane 42P French orbital launch vehicle. Ariane 4 with 2 solid rocket strap-ons. More...
  • Delta 7925 American orbital launch vehicle. Four stage vehicle consisting of 9 x GEM-40 + 1 x EELT Thor/RS-27A + 1 x Delta K + 1 x Star 48B More...
  • Delta 3000 American orbital launch vehicle. The Delta 3000 series upgraded the boosters to Castor 4 solid propellant strap-ons, while retaining the Extended Long Tank core with RS-27 engine. The 3910 series used the TRW Lunar Module engine in the second stage, while the 3920 series reintroduced the Aerojet AJ110 Delta engine. More...

Associated Manufacturers and Agencies
Associated Programs
  • BS Medium-scale broadcasting satellites for experimental purposes and communications to Japanese home islands. More...
  • GTE Through a series of purchases and mergers, General Telephone and Electronics (GTE) ended up with a consolidated constellation of geosynchronous communications satellites originally launched by itself and two other entities. Gstar was GTE's original planned fleet. More...
  • Satcom Series of communications satellites started by RCA Americom in 1975 and continued by GE when it took over RCA. More...

Bibliography
  • McDowell, Jonathan, Jonathan's Space Home Page (launch records), Harvard University, 1997-present. Web Address when accessed: here.
  • JPL Mission and Spacecraft Library, Jet Propulsion Laboratory, 1997. Web Address when accessed: here.
  • Wilson, Andrew, editor,, Jane's/Interavia Space Directory, Jane's Information Group, Coulsdon, Surrey, 1992 et al.
  • Lockheed Martin Coporation, Atlas Family Fact Sheets, September 1998.. Web Address when accessed: here.
  • McDowell, Jonathan, Launch Log, October 1998. Web Address when accessed: here.

Associated Launch Sites
  • Cape Canaveral America's largest launch center, used for all manned launches. Today only six of the 40 launch complexes built here remain in use. Located at or near Cape Canaveral are the Kennedy Space Center on Merritt Island, used by NASA for Saturn V and Space Shuttle launches; Patrick AFB on Cape Canaveral itself, operated the US Department of Defense and handling most other launches; the commercial Spaceport Florida; the air-launched launch vehicle and missile Drop Zone off Mayport, Florida, located at 29.00 N 79.00 W, and an offshore submarine-launched ballistic missile launch area. All of these take advantage of the extensive down-range tracking facilities that once extended from the Cape, through the Caribbean, South Atlantic, and to South Africa and the Indian Ocean. More...
  • Tanegashima Japan's main launch site for he larger N and H launch vehicles. In use for sounding rockets from 1967 and orbital launches from 1975. As of 2007 over 140 major launches had been made from the site. More...
  • Kourou After the agreement with newly independent Algeria for France to evacuate their launch sites in that country, a location near Biscarosse was selected for French missile testing. However since only launches westwards across the Bay of Biscay could be made from this site, it was unsuitable for France's Diamant orbital launch vehicle. After reviewing 14 potential sites, a location in the South American French colony of Guiana was selected. This would allow over-water launches to a tremendous range of possible orbital inclinations -- from -100.5 deg to 1.5 deg. Being near the equator, it would provide the maximum assist from the earth's rotation for launches into equatorial orbits. The decision was formalized in April 1964 and in July 1966 ELDO chose the site for future launches of the Europa II launch vehicle. More...
  • Cape Canaveral LC36B Atlas V, Atlas launch complex. Atlas Centaur launch pad, in service from 1964 until the retirement of the launch vehicle. More...
  • Cape Canaveral LC17B Delta launch complex. Part of a dual launch pad complex built for the Thor ballistic missile program in 1956. Upgraded over the decades for use with Thor, Delta, Delta II, and Delta III launch vehicles, it remained in use for over half a century. More...
  • Cape Canaveral LC17A Delta launch complex. Part of a dual launch pad complex built for the Thor ballistic missile program in 1956. Pad 17A supported Thor, Delta, and Delta II launches into the 21st Century. More...

AS 3000 Chronology


1981 November 20 - . 01:37 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17A. LV Family: Delta. Launch Vehicle: Delta 3910/PAM. LV Configuration: Delta 3910/PAM 640/D158.
  • RCA Satcom 4; RCA Satcom 3R - . Payload: Satcom 3R. Mass: 1,078 kg (2,376 lb). Nation: USA. Agency: RCA Amer. Manufacturer: Lockheed. Program: Satcom. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 3000. Completed Operations Date: 1991-04-10 . USAF Sat Cat: 12967 . COSPAR: 1981-114A. Apogee: 35,840 km (22,260 mi). Perigee: 35,824 km (22,259 mi). Inclination: 8.2000 deg. Period: 1,438.40 min. Summary: Positioned in geosynchronous orbit at 131 deg W in 1981-1991 As of 3 September 2001 located at 86.96 deg W drifting at 0.634 deg W per day. As of 2007 Mar 11 located at 140.04W drifting at 0.601W degrees per day..

1982 January 16 - . 01:55 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17A. LV Family: Delta. Launch Vehicle: Delta 3910/PAM. LV Configuration: Delta 3910/PAM 643/D159.
  • RCA Satcom 4 - . Payload: Satcom 4. Mass: 1,082 kg (2,385 lb). Nation: USA. Agency: RCA Amer. Manufacturer: Lockheed. Program: Satcom. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 3000. Completed Operations Date: 1991-12-06 . USAF Sat Cat: 13035 . COSPAR: 1982-004A. Apogee: 35,994 km (22,365 mi). Perigee: 35,964 km (22,346 mi). Inclination: 1.9000 deg. Period: 1,446.00 min. Summary: Positioned in geosynchronous orbit at 83 deg W in 1982-1987; 82 deg W in 1987-1991 As of 2 September 2001 located at 171.96 deg E drifting at 2.443 deg W per day. As of 2007 Mar 9 located at 101.04W drifting at 2.479W degrees per day..

1982 October 28 - . 01:28 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17B. LV Family: Delta. Launch Vehicle: Delta 3924. LV Configuration: Delta 3924 652/D165.
  • 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: 8.1000 deg. Period: 1,436.10 min. Summary: Positioned in geosynchronous orbit at 143 deg W in 1982-1991; 105 deg W in 1992-2007..

1983 April 11 - . 21:39 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17B. LV Family: Delta. Launch Vehicle: Delta 3924. LV Configuration: Delta 3924 653/D167.
  • 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: 7.0000 deg. Period: 1,442.00 min. Summary: 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..

1983 September 8 - . 22:52 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17B. LV Family: Delta. Launch Vehicle: Delta 3924. LV Configuration: Delta 3924 D172.
  • 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: 5.7000 deg. Period: 1,448.50 min. Summary: 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..

1984 January 23 - . 07:58 GMT - . Launch Site: Tanegashima. Launch Complex: Tanegashima N. LV Family: Delta. Launch Vehicle: N-2. LV Configuration: N-2 N-12(F).
  • Yuri 2A - . Payload: BS-2a. Mass: 670 kg (1,470 lb). Nation: Japan. Agency: NASDA. Manufacturer: Lockheed. Program: BS. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 3000. Completed Operations Date: 1989-07-01 . USAF Sat Cat: 14659 . COSPAR: 1984-005A. Apogee: 36,191 km (22,488 mi). Perigee: 36,072 km (22,414 mi). Inclination: 4.9000 deg. Period: 1,453.80 min. TV. BS-2a (Yuri-2a). Domestic satellite broadcasting; development of broadcasting satellite technology. Launch 0758 GMT. N launch vehicle flight no 12. Launching organization NASDA. Positioned in geosynchronous orbit at 110 deg E in 1984-1985; 108 deg E in 1985-1987; 110 deg E in 1987-1988 As of 28 August 2001 located at 69.57 deg E drifting at 4.403 deg W per day. As of 2007 Mar 10 located at 153.52W drifting at 4.395W degrees per day.

1984 May 23 - . 01:33 GMT - . Launch Site: Kourou. Launch Complex: Kourou ELA1. LV Family: Ariane. Launch Vehicle: Ariane 1. LV Configuration: Ariane 1 V9.
  • Spacenet F1 - . Mass: 705 kg (1,554 lb). Nation: USA. Agency: GTE. Manufacturer: Lockheed. Program: GTE. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 3000. USAF Sat Cat: 14985 . COSPAR: 1984-049A. Apogee: 35,897 km (22,305 mi). Perigee: 35,840 km (22,260 mi). Inclination: 4.9000 deg. Period: 1,440.30 min. Stationed at 120 deg W. C, Ku band communications satellite. Positioned in geosynchronous orbit at 120 deg W in 1984-1993; 115 deg E in 1993-on. As of 2 September 2001 located at 165.12 deg E drifting at 0.985 deg W per day. As of 2007 Mar 10 located at 109.23W drifting at 1.077W degrees per day.

1984 November 10 - . 01:14 GMT - . Launch Site: Kourou. Launch Complex: Kourou ELA1. LV Family: Ariane. Launch Vehicle: Ariane 3. LV Configuration: Ariane 3 V11.
  • Spacenet F2 - . Mass: 705 kg (1,554 lb). Nation: USA. Agency: GTE. Manufacturer: Lockheed. Program: GTE. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 3000. Completed Operations Date: 1998-06-02 . USAF Sat Cat: 15385 . COSPAR: 1984-114A. Apogee: 35,962 km (22,345 mi). Perigee: 35,904 km (22,309 mi). Inclination: 4.2000 deg. Period: 1,443.60 min. Stationed at 68 deg W. C, Ku band communications satellite. Positioned in geosynchronous orbit at 69 deg W in 1984-1997; 115 deg E in 1997-1998 As of 5 September 2001 located at 65.20 deg E drifting at 1.887 deg W per day. As of 2007 Mar 9 located at 64.76W drifting at 1.866W degrees per day.

1985 May 8 - . 01:15 GMT - . Launch Site: Kourou. Launch Complex: Kourou ELA1. LV Family: Ariane. Launch Vehicle: Ariane 3. LV Configuration: Ariane 3 V13.
  • GStar 1 - . Mass: 705 kg (1,554 lb). Nation: USA. Agency: GTE. Manufacturer: Lockheed. Program: GTE. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 3000. Completed Operations Date: 1997-01-01 . USAF Sat Cat: 15677 . COSPAR: 1985-035A. Apogee: 35,791 km (22,239 mi). Perigee: 35,783 km (22,234 mi). Inclination: 0.1000 deg. Period: 1,436.10 min. Stationed at 103 deg W. Ku band communications satellite. Positioned in geosynchronous orbit at 103 deg W in 1985-1996; 105 deg W in 1997-1999 As of 5 September 2001 located at 105.33 deg W drifting at 0.011 deg W per day. As of 2007 Mar 9 located at 105.07W drifting at 0.006W degrees per day.

1985 September 12 - . 23:26 GMT - . Launch Site: Kourou. Launch Complex: Kourou ELA1. LV Family: Ariane. Launch Vehicle: Ariane 3. LV Configuration: Ariane 3 V15. FAILURE: Geosynchronous orbit injection failure. Third stage igniter cartridge failure was determined to be the most likely cause..
1986 February 12 - . 07:55 GMT - . Launch Site: Tanegashima. Launch Complex: Tanegashima N. LV Family: Delta. Launch Vehicle: N-2. LV Configuration: N-2 N-14(F).
  • Yuri 2B - . Payload: BS-2b. Mass: 677 kg (1,492 lb). Nation: Japan. Agency: NASDA. Manufacturer: Lockheed. Program: BS. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 3000. Completed Operations Date: 1991-10-24 . USAF Sat Cat: 16597 . COSPAR: 1986-016A. Apogee: 36,135 km (22,453 mi). Perigee: 35,996 km (22,366 mi). Inclination: 2.7000 deg. Period: 1,450.40 min. Stationed at 117 deg E. BS-2b (Yuri-2b). Domestic satellite broadcasting; development of broadcasting satellite technology. Launching organization NASDA. N launch vehicle flight no 14. Launch time 0755 GMT. Positioned in geosynchronous orbit at 110 deg E in 1986-1991 As of 5 September 2001 located at 13.60 deg W drifting at 3.524 deg W per day. As of 2007 Mar 11 located at 77.04E drifting at 3.551W degrees per day.

1986 March 28 - . 23:30 GMT - . Launch Site: Kourou. Launch Complex: Kourou ELA2. LV Family: Ariane. Launch Vehicle: Ariane 3. LV Configuration: Ariane 3 V17.
  • GStar 2 - . Payload: SBTS-2. Mass: 1,140 kg (2,510 lb). Nation: USA. Agency: GTE. Manufacturer: Lockheed. Program: GTE. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 3000. Completed Operations Date: 1997-08-20 . USAF Sat Cat: 16649 . COSPAR: 1986-026A. Apogee: 35,943 km (22,333 mi). Perigee: 35,902 km (22,308 mi). Inclination: 5.6000 deg. Period: 1,443.10 min. Ku band communications satellite. Stationed at 70 degrees W. Positioned in geosynchronous orbit at 105 deg W in 1986-1992; 125 deg W in 1992-1997 As of 5 September 2001 located at 148.11 deg W drifting at 1.728 deg W per day. As of 2007 Mar 10 located at 2.39W drifting at 1.699W degrees per day.

1988 March 11 - . 23:28 GMT - . Launch Site: Kourou. Launch Complex: Kourou ELA1. LV Family: Ariane. Launch Vehicle: Ariane 3. LV Configuration: Ariane 3 V21.
  • Spacenet F3R - . Payload: Spacenet 3R. Mass: 1,212 kg (2,672 lb). Nation: USA. Agency: France Telecom. Manufacturer: Lockheed. Program: GTE. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 3000. Completed Operations Date: 1999-12-01 . USAF Sat Cat: 18951 . COSPAR: 1988-018A. Apogee: 35,980 km (22,350 mi). Perigee: 35,935 km (22,328 mi). Inclination: 2.4000 deg. Period: 1,444.90 min. US domestic communications; 87 deg W. C, Ku band communications satellite. Positioned in geosynchronous orbit at 87 deg W in 1988-1997; 83 deg W in 1997-1999 As of 2 September 2001 located at 107.85 deg W drifting at 2.220 deg W per day. As of 2007 Mar 9 located at 153.60E drifting at 2.179W degrees per day.

1988 September 8 - . 23:00 GMT - . Launch Site: Kourou. Launch Complex: Kourou ELA2. LV Family: Ariane. Launch Vehicle: Ariane 3. LV Configuration: Ariane 3 V25.
  • GStar 3 - . Mass: 1,270 kg (2,790 lb). Nation: USA. Agency: GTE. Manufacturer: Lockheed. Program: GTE. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 3000. Completed Operations Date: 1998-01-01 . USAF Sat Cat: 19483 . COSPAR: 1988-081A. Apogee: 35,806 km (22,248 mi). Perigee: 35,769 km (22,225 mi). Inclination: 5.3000 deg. Period: 1,436.20 min. AKM malfunctioned, but orbit achieved using on-board propulsion system. Ku band communications satellite. Positioned in geosynchronous orbit at 93 deg W in 1989-1996; 105 deg W in 1996-1999 As of 5 September 2001 located at 105.39 deg W drifting at 0.005 deg W per day. As of 2007 Mar 9 located at 105.31W drifting at 0.004W degrees per day.

1990 August 28 - . 09:05 GMT - . Launch Site: Tanegashima. Launch Complex: Tanegashima N. LV Family: Delta. Launch Vehicle: H-1. LV Configuration: H-1 H-22(F).
  • Yuri 3A - . Payload: BS-3a. Mass: 1,115 kg (2,458 lb). Nation: Japan. Manufacturer: Lockheed. Program: BS. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 3000. Completed Operations Date: 1998-04-20 . USAF Sat Cat: 20771 . COSPAR: 1990-077A. Apogee: 36,245 km (22,521 mi). Perigee: 36,157 km (22,466 mi). Inclination: 3.5000 deg. Period: 1,457.30 min. Japanese DBS; 110 deg E. Continuation of broadcasting services by BS-2; accommodations to increasing and diversifying demands for broadcasting; establishment of common technology necessary for broadcasting satellite. Launching organization NASDA. Launch time 0905 GMT. BS-3a 'Yuri -3a'. Positioned in geosynchronous orbit at 110 deg E in 1990-1998 As of 2 September 2001 located at 84.62 deg E drifting at 5.278 deg W per day. As of 2007 Mar 10 located at 83.70W drifting at 5.275W degrees per day.

1990 November 20 - . 23:11 GMT - . Launch Site: Kourou. Launch Complex: Kourou ELA2. LV Family: Ariane. Launch Vehicle: Ariane 42P. LV Configuration: Ariane 42P V40.
  • Satcom C1 - . Payload: Satcom C1. Mass: 1,169 kg (2,577 lb). Nation: USA. Agency: GE Americom. Manufacturer: Lockheed. Program: Satcom. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 3000. USAF Sat Cat: 20945 . COSPAR: 1990-100A. Apogee: 35,794 km (22,241 mi). Perigee: 35,777 km (22,230 mi). Inclination: 0.1000 deg. Period: 1,436.10 min. Stationed at 137 deg W. Positioned in geosynchronous orbit at 137 deg W in 1990-1991; 139 deg W in 1991; 137 deg W in 1991-1999 As of 5 September 2001 located at 78.98 deg W drifting at 0.013 deg W per day. As of 2007 Mar 9 located at 151.83E drifting at 3.912W degrees per day.
  • GStar 4 - . Mass: 1,295 kg (2,854 lb). Nation: USA. Agency: GTE. Manufacturer: Lockheed. Program: GTE. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 3000. USAF Sat Cat: 20946 . COSPAR: 1990-100B. Apogee: 35,790 km (22,230 mi). Perigee: 35,785 km (22,235 mi). Inclination: 0.0000 deg. Period: 1,436.10 min. Stationed at 125 deg W. Ku band communications satellite. Positioned in geosynchronous orbit at 125 deg W in 1990-1992; 105 deg W in 1992-1999 As of 6 September 2001 located at 104.95 deg W drifting at 0.005 deg W per day. As of 2007 Mar 10 located at 74.47W drifting at 4.077W degrees per day.

1991 April 18 - . 23:30 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC36B. LV Family: Atlas. Launch Vehicle: Atlas I. LV Configuration: Atlas I AC-70. FAILURE: RL-10 Centaur engine turbopump failed at T+361 seconds; destroyed by range safety.. Failed Stage: 2.
  • Yuri 3H - . Payload: BS-3H. Mass: 600 kg (1,320 lb). Nation: Japan. Agency: TSCJ. Manufacturer: Lockheed. Program: BS. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 3000. Decay Date: 1991-04-18 . COSPAR: F910418A. Apogee: 175 km (108 mi).

1991 May 29 - . 22:55 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17B. LV Family: Delta. Launch Vehicle: Delta 7925. LV Configuration: Delta 7925 D205.
  • 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: 1.2000 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.

1991 August 25 - . 08:40 GMT - . Launch Site: Tanegashima. Launch Complex: Tanegashima N. LV Family: Delta. Launch Vehicle: H-1. LV Configuration: H-1 H-23(F).
  • Yuri 3B - . Payload: BS-3b. Mass: 1,115 kg (2,458 lb). Nation: Japan. Manufacturer: Lockheed. Program: BS. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 3000. Completed Operations Date: 1999-04-05 . USAF Sat Cat: 21668 . COSPAR: 1991-060A. Apogee: 36,244 km (22,520 mi). Perigee: 36,171 km (22,475 mi). Inclination: 3.2000 deg. Period: 1,457.70 min. Summary: TV; 110 deg E. Positioned in geosynchronous orbit at 110 deg E in 1991-1999 As of 3 September 2001 located at 91.59 deg E drifting at 5.350 deg W per day. As of 2007 Mar 9 located at 152.69E drifting at 5.334W degrees per day..

1992 August 31 - . 10:41 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17B. LV Family: Delta. Launch Vehicle: Delta 7925. LV Configuration: Delta 7925 D213.
  • 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: 0.1000 deg. Period: 1,436.20 min. Summary: 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..

1992 September 10 - . 23:04 GMT - . Launch Site: Kourou. Launch Complex: Kourou ELA2. LV Family: Ariane. Launch Vehicle: Ariane 44LP. LV Configuration: Ariane 44LP+ V53.
  • Satcom C3 - . Mass: 1,375 kg (3,031 lb). Nation: USA. Agency: GE Americom. Manufacturer: Lockheed. Program: Satcom. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 3000. USAF Sat Cat: 22117 . COSPAR: 1992-060B. Apogee: 35,789 km (22,238 mi). Perigee: 35,784 km (22,235 mi). Inclination: 0.1000 deg. Period: 1,436.10 min. Summary: Stationed at 131 deg W. Positioned in geosynchronous orbit at 143 deg W in 1992; 131 deg W in 1992-1999 As of 4 September 2001 located at 130.93 deg W drifting at 0.000 deg W per day. As of 2007 Mar 11 located at 79.06W drifting at 0.008W degrees per day..

1994 July 8 - . 23:05 GMT - . Launch Site: Kourou. Launch Complex: Kourou ELA2. LV Family: Ariane. Launch Vehicle: Ariane 44L. LV Configuration: Ariane 44L V65.
  • Yuri 3N - . Payload: BS-3N. Mass: 1,210 kg (2,660 lb). Nation: Japan. Agency: NHK. Manufacturer: Lockheed. Program: BS. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 3000. USAF Sat Cat: 23176 . COSPAR: 1994-040B. Apogee: 35,797 km (22,243 mi). Perigee: 35,777 km (22,230 mi). Inclination: 0.0500 deg. Period: 1,436.15 min. Summary: Stationed at 109.67 deg E. Positioned in geosynchronous orbit at 109 deg E in 1994-1999 As of 5 September 2001 located at 109.71 deg E drifting at 0.013 deg W per day. As of 2007 Mar 11 located at 109.92E drifting at 0.008W degrees per day..

1995 August 5 - . 11:10 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17B. LV Family: Delta. Launch Vehicle: Delta 7925. LV Configuration: Delta 7925 D228. FAILURE: Partial Failure.. Failed Stage: 2.
  • 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: 2.7000 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.

1996 January 14 - . 11:10 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17B. LV Family: Delta. Launch Vehicle: Delta 7925. LV Configuration: Delta 7925 D231.
  • 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: 0.0000 deg. Period: 1,436.20 min. Summary: 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..

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