Telstar

This page no longer updated from 31 October 2001. Latest version can be found at www.astronautix.com

Telstar

Program: Telstar. Overview: Network of communications satellites, operated by AT&T Skynet, later Loral Skynet, Bedminster. Major Events: .

28 July 1983 Telstar 3A Spacecraft: HS 376. Mass: 625 kg. Launch Site: Cape Canaveral . Launch Vehicle: Delta 3925. More details
Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C).
30 August 1984 Telstar 3C Spacecraft: HS 376. Mass: 625 kg. Launch Site: Cape Canaveral . Launch Vehicle: Shuttle. More details
Released from STS 41D 9/1/84; stationed at 125 deg W. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C).
17 June 1985 Telstar 3D Spacecraft: HS 376. Mass: 630 kg. Launch Site: Cape Canaveral . Launch Vehicle: Shuttle. More details
Released by STS 51G 6/19/85; stationed at 76 deg W.
16 December 1993 Telstar 401 Spacecraft: AS 7000. Mass: 3,375 kg. Launch Site: Cape Canaveral . Launch Vehicle: Atlas IIAS. More details
Stationed at 97 deg W. 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 with IFR trajectory option.
09 September 1994 Telstar 402 Spacecraft: AS 7000. Launch Site: Kourou . Launch Vehicle: Ariane 42L. More details
24 September 1995 Telstar 402R Spacecraft: AS 7000. Mass: 3,410 kg. Launch Site: Kourou . Launch Vehicle: Ariane 42L. More details
Direct TV for continental US. Stationed at 89.0 deg W.
24 May 1997 Telstar 5 Spacecraft: FS-1300. Launch Site: Baikonur . Launch Vehicle: Proton 8K82K / DM4. More details
Geosynchronous. Stationed over 97.0W
15 February 1999 Telstar 6 Spacecraft: FS-1300. Mass: 3,700 kg. Launch Site: Baikonur . Launch Vehicle: Proton 8K82K / DM3. More details
Loral Skynet's Telstar 6 had a mixed C and Ku band communications payload. The Block DM3 upper stage released Telstar 6 in a 6638 km x 35,756 km x 17.4 degree geosynchronous transfer orbit. After the first burn of its on-board R-4D engine on February 18, Telstar 6 was in a 15,037 km x 35,800 km x 7.9 deg transfer orbit heading for its final geosynchronous slot at 93 deg W

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Last update 12 March 2001.
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© Mark Wade, 2001 .