Milstar 2-1

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General

Designation	25724 / 99023A
Launch date	30 Apr 1999
Country of origin	United States
Mission	Military: Telecommunications
Geostationary orbit	n/a
Launch vehicle	Titan 4 #27

Loss worth $800 million, satellite was not insured.

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End of life

Out of service	30 Apr 1999
Cause	The top stage fired the intended 3 times but did so much too early. The satellite separated 4 hours early, and this caused the spacecraft to remain in LEO.

The spacecraft was raised to a slightly higher orbit, using its onboard thrusters. Satellite controllers then turned off all functions, deliberately exhausted the on-board liquid fuel supply and drained all remaining electrical power from the spacecraft. The decision to raise the satellite to a terminal orbit was made after controllers exhausted all possible options to salvage it or raise it to a geostationary orbit.

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External resources

sat-index articles

Technical data

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Details

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