deorbit

Example:The satellite will remain in orbit around Earth for several years before its onboard fuel depletes.

Definition:to move around (a planet, star, or other object) in a regularly repeated path.

Example:The spacecraft's engines were then used to escape Earth's gravitational pull and head for the Moon.

Definition:to move away from (a planet, star, or other object) with sufficient speed to overcome the attraction of its gravitational field.