Satellite

sat'el-lit, in astronomy, a heavenly body that revolves about a planet. The moon is a satellite of the earth. So far as observed, Neptune has one satellite; Uranus, four; Saturn, eight; Jupiter, five; Mars, two; and the earth, one. Saturn is surrounded by bands thought to be composed of countless numbers of minute satellites. In literature, a satellite is a person of little importance who hovers about another, as an attendant or obsequious follower. See Pythagoras; Ptolemy