A natural body that revolves around a planet is a?
A natural satellite, or a moon.
A "natural satellite" is a body in space that revolves around (orbits) another body. Technically the planets are all satellites of the Sun, but the term is usually applied to the moons, moonlets, and other bodies circling a planet. The usage is required to differentiate moons, which were always satellites, from man-made or artificial satellites which were increasingly referenced as merely "satellites". Something not sent into space by humans, (eg not a sputnik, space station…
Rotation is defined as the spinning of an object around its own axis and revolution is defined as the spinning of an object around another body. Examples: When a bicycle wheel is let go, it rotates. It does not spin around another body. The Earth revolves around the Sun. It is moving around another body (The Sun). Hence the Earth revolves around the Sun.
A satellite is an object that orbits around a planet or body in space. There are artificial satellites and natural satellites. An artificial satellite is an object, like a space station, that has been set into orbit around a planet by humans. A natural satellite naturally finds its way into close orbit around a planet, like the moon naturally orbits the Earth.
What is the minimum mass or volume requirement for an object to be classified as a natural satellite?
A Star is an active heavenly body in which Thermo Nuclear Fusion is the source of continuous supply of energy.No such reaction takes place in planets,so they do not have light of their own.Stars are bigger than planets,that is why planets revolve around stars.A moon or a satellite is much smaller and colder than a planet and hence a moon or a satellite revolves around a planet.