Beskrivning : Telstar18 (Apstar 5) is a Russian communications spacecraft that was launched by a Zenit 3SL rocket from the Odyssey platform floating on the equatorial Pacific Ocean at 04:00 UT on 29 June 2004. It was intended to be a geostationary satellite, but due to the premature stoppage of the boost from the final DM-SL stage, it ended far below the geostationary orbit. Efforts maybe underway to use the trim-maneuver thruster attached to the satellite itself to slowly raise the orbit to an approximately geostationary status. (Fuel use from that thruster usually impacts adversely on the useful lifespan of a geostationary.)

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Sida : future · Ref: ba  953 

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Rymdhändelse :

TELSTAR 18 · APSTAR 5 (SATELLITE) · ZENIT 3SL, SEA LAUNCH · FAILURE