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Telstar 402

Mission type	Communication
Operator	AT&T
COSPAR ID	1994-058A
SATCAT no.	23249
Mission duration	12 years (planned)
Spacecraft properties
Bus	AS-7000
Manufacturer	Lockheed Martin
Launch mass	3,485 kilograms (7,683 lb)
Dimensions	4.08 m × 2.22 m × 2.54 m (13.4 ft × 7.3 ft × 8.3 ft)
Power	5000 W
Start of mission
Launch date	16 December 1994, 00:29:44 (1994-12-16UTC00:29:44Z) UTC
Rocket	Ariane-42L H10+
Launch site	Kourou ELA-2
End of mission
Last contact	September 9, 2004
Decay date	November 14, 2004 (2004-11-15)
Orbital parameters
Reference system	Geocentric
Regime	Geostationary (planned)
Longitude	89° W (planned)
Perigee altitude	292 kilometres (181 mi)
Apogee altitude	19,340 kilometres (12,020 mi)
Inclination	7.1°
Period	341.8 minutes
Epoch	September 9, 1994
Telstar← Telstar 303Telstar 4 →

Telstar 402 was a communications satellite owned by AT&T Corporation.

Telstar 402 was successfully launched into space on September 9, 1994, by means of an Ariane-42L vehicle from the Kourou Space Center, French Guiana. It had a launch mass of 3,775 kg. The satellite was lost shortly after launch due to an explosion that occurred in the propulsion system that was caused by leakage of hot gases.

References

1. Telstar 402. TSE. Retrieved June 3, 2018.
2. "Gas leak led to Telstar 402 explosion". Flight Global. February 28, 1995. Retrieved February 7, 2023.

External links

• Gunter's Space Page - Telstar 401, 402, 402R
• Nasa NSSDC Entry

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