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Comstar
Country: USA. Spacecraft: Intelsat 4A. Launch Vehicles: Atlas SLV-3D Centaur. Launch Sites: Cape Canaveral. Agency: Comsat.
1976 May 13 - . 22:28 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC36A. LV Family: Atlas. Launch Vehicle: Atlas SLV-3D Centaur.
- Comstar 1 - .
Payload: Comstar 1A. Mass: 792 kg (1,746 lb). Nation: USA.
Agency: Comsat.
Program: Comstar.
Class: Communications.
Type: Civilian communications satellite. Spacecraft Bus: HS 312 / HS 351 / HS 353.
Spacecraft: Intelsat 4A.
Completed Operations Date: 1984-10-26 . USAF Sat Cat: 8838 . COSPAR: 1976-042A. Apogee: 35,925 km (22,322 mi). Perigee: 35,903 km (22,309 mi). Inclination: 12.70 deg. Period: 1,442.60 min.
Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Launch vehicle put payload into geosynchronous transfer orbit Positioned in geosynchronous orbit over the Americas at 128 deg W in 1976-1981 over the Americas at 95 deg W in 1981-1983 over the Atlantic Ocean 76 deg W in 1983-1984 As of 4 September 2001 located at 48.64 deg E drifting at 1.641 deg W per day. As of 2007 Mar 10 located at 31.21E drifting at 1.624W degrees per day.
1976 July 22 - . 22:04 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC36B. LV Family: Atlas. Launch Vehicle: Atlas SLV-3D Centaur.
- Comstar 2 - .
Payload: Comstar 1B. Mass: 792 kg (1,746 lb). Nation: USA.
Agency: Comsat.
Program: Comstar.
Class: Communications.
Type: Civilian communications satellite. Spacecraft Bus: HS 312 / HS 351 / HS 353.
Spacecraft: Intelsat 4A.
Completed Operations Date: 1993-12-19 . USAF Sat Cat: 9047 . COSPAR: 1976-073A. Apogee: 35,887 km (22,299 mi). Perigee: 35,855 km (22,279 mi). Inclination: 12.60 deg. Period: 1,440.40 min.
Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Launch vehicle put payload into geosynchronous transfer orbit Positioned in geosynchronous orbit over the Americas at 95 deg W in 1976-1983 over the Americas at 76 deg W in 1983-1993 As of 28 August 2001 located at 172.63 deg W drifting at 1.031 deg W per day. As of 2007 Mar 10 located at 150.18W drifting at 1.064W degrees per day.
1978 June 29 - . 22:24 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC36B. LV Family: Atlas. Launch Vehicle: Atlas SLV-3D Centaur.
- Comstar 3 - .
Payload: Comstar 1C. Mass: 1,520 kg (3,350 lb). Nation: USA.
Agency: Comsat.
Program: Comstar.
Class: Communications.
Type: Civilian communications satellite. Spacecraft Bus: HS 312 / HS 351 / HS 353.
Spacecraft: Intelsat 4A.
Completed Operations Date: 1986-05-21 . USAF Sat Cat: 10975 . COSPAR: 1978-068A. Apogee: 36,172 km (22,476 mi). Perigee: 36,007 km (22,373 mi). Inclination: 11.50 deg. Period: 1,451.60 min.
US domestic telephone service. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Launch vehicle put payload into geosynchronous transfer orbit Positioned in geosynchronous orbit over the Americas at 87 deg W in 1978-1984 over the Americas at 76 deg W in 1984-1986 As of 1 September 2001 located at 101.79 deg W drifting at 3.884 deg W per day. As of 2007 Mar 4 located at 39.19E drifting at 3.878W degrees per day.
1981 February 21 - . 23:23 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC36A. LV Family: Atlas. Launch Vehicle: Atlas SLV-3D Centaur.
- Comstar 4 - .
Payload: Comstar 1D. Mass: 1,520 kg (3,350 lb). Nation: USA.
Agency: Comsat.
Program: Comstar.
Class: Communications.
Type: Civilian communications satellite. Spacecraft Bus: HS 312 / HS 351 / HS 353.
Spacecraft: Intelsat 4A.
USAF Sat Cat: 12309 . COSPAR: 1981-018A. Apogee: 35,792 km (22,240 mi). Perigee: 35,783 km (22,234 mi). Inclination: 7.20 deg. Period: 1,436.20 min.
Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Launch vehicle put payload into geosynchronous transfer orbit Positioned in geosynchronous orbit at 142 deg W in 1981; 127 deg W in 1981-1985; 76 deg W in 1985-on. As of 31 August 2001 located at 25.65 deg W drifting at 1.067 deg E per day. As of 2007 Mar 11 located at 78.95E drifting at 0.039W degrees per day.
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