[¦jē·ō¦stā·shə‚ner·ē ′sad·əl‚īt] (aerospace engineering) A satellite that follows a circular orbit in the plane of the earth's equator from west to east at such a speed as to remain fixed over a given place on the equator at an altitude of 22,280 miles (35,860 kilometers).SeeGEOSATSeeGSAT