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GOES 8
GOES 8, known as GOES-I before becoming operational, was an American weather satellite, which formed part of the US National Oceanic and Atmospheric Administration's Geostationary Operational Environmental Satellite system. It was launched in 1994, and operated until 2004 when it was retired and boosted to a graveyard orbit.〔(【引用サイトリンク】title=GOES 8 Spacecraft Status Summary )〕 At launch, the satellite had a mass of , and an expected operational lifespan of three or five years.〔 It was built by Space Systems/Loral, based on the LS-1300 satellite bus, and was the first of five GOES-I series satellites to be launched.
GOES 8 was also featured in the 1996 film ''Twister''.
==Launch==
GOES-I was launched aboard a Martin Marietta Atlas I rocket, flying from Launch Complex 36B at the Cape Canaveral Air Force Station. The launch occurred at 06:04 GMT on 13 April 1994,〔 and placed the satellite into a geosynchronous transfer orbit. It was then raised into geostationary orbit by means of an R-4D-11 apogee motor.〔 During the first burn of the apogee motor, an unusually high temperature was detected in one of the flanges upon which a thruster was mounted, however later analysis, based on satellites using similar thruster systems, demonstrated that it was still acceptable.〔 During the third burn, a malfunction of the computer controlling the attitude control system caused several manoeuvring thrusters to fire. This resulted in the burn being aborted.〔
GOES 8 was eventually raised to the correct orbit, and positioned at a longitude of 75° West.〔(【引用サイトリンク】title=GOES-I Status )〕 Following on-orbit testing, it was activated as the GOES-EAST satellite, allowing GOES 7, which had previously been covering both positions, to assume GOES-WEST operations.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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