satellite -
A man-madeapparatus designed to be placed in orbit around a celestial body, generally to relay information, data etc. to Earth.
Wikipedia
A satellite is an object which has been placed into orbit by human endeavor. Such objects are sometimes called artificial satellites to distinguish them from natural satellites such as the Moon. The first artificial satellite, Sputnik 1, was launched by the Soviet Union in 1957.
OmegaWiki Dictionary
Ω
satellite An object that orbits around a larger one.