"The Moon" was the first satellite -- a satellite is an orbiting body. The term "natural satellite" is used for the moons of planets. Planets and asteroids may be considered satellites of the Sun, but to avoid confusion they are almost never referred to as such.
(see related question)
the earths atmosphere
The Earth's only satellite is the Moon.
He was Neil A. Armstrong.
The Moon
The moon is the earth's only natural satellite.
The Moon.
Sutnick was the very first Satellite that was put into orbit.=)
Vanguard1
The Moon
moon
srry
The moon is the earths only natural satellite