Telstar 401 [Lockheed Martin]
The Telstar 4 series was the successor to AT&T's Telstar 3 series. The spacecraft were built on Lockheed Martin's AS-7000 bus and featured 24 C-band and 16 Ku-band transponders.
Telstar 402R was later renamed Telstar 4.
Telstar 401 was rendered inoperative during a geomagnetic storm on 11 January 1997 due to an electric discharge. Telstar 402 exploded shortly after launch. Telstar 4 (ex 402R) suffered a complete power breakdown in September 2003.
Nation: | USA |
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Type / Application: | Communication |
Operator: | AT&T → Loral Skynet |
Contractors: | Lockheed Martin |
Equipment: | 24 C-band, 16 Ku-band transponders |
Configuration: | AS-7000 |
Propulsion: | 2 × LEROS-1b |
Power: | 2 deployable solar arrays, batteries |
Lifetime: | |
Mass: | 3775 kg |
Orbit: | GEO |
Satellite | COSPAR | Date | LS | Launch Vehicle | Remarks | |
---|---|---|---|---|---|---|
Telstar 401 | 1993-077A | 16.12.1993 | CC LC-36B | Atlas-2AS | ||
Telstar 402 | 1994-058A | 09.09.1994 | Ko ELA-2 | Ariane-42L H10+ | ||
Telstar 402R → Telstar 4 (ex Telstar 403) | 1995-049A | 24.09.1995 | Ko ELA-2 | Ariane-42L H10-3 |