Define the time period of a satellite

Derive the time period of satellite orbiting the Earth.

If the time period of a satellite in the orbit of radius r around a planet is T. Then the time period of a satellite in orbit of radius 4r is T = .....

What is the time period of a satellite very close of the earth surface?

A satellite in equatorial plane is rotating in the direction of earth's rotation with time interval between its two consecutive appearence over head of an observer as time period of rotation of the earth, T_(E) . What is the time period of the satellite?

The time period of a satellite of earth is 8 hours. If the separation between the earth and the satellite is increased to two times the pervious value, find the new time period of the satellite.