The orbit of a satellite that is nearer the planet than it would be if it were in synchronous orbit

A satellite orbit around the Earth within the altitude range of 200 - 2000 km, in which a satellite can communicate with Earth with a small time lag and energy consumption. Abbreviation: LEO.

(astronomy) The surface (plane) that contains an orbit.

(anatomy) An eye socket.

(anatomy) An eye socket.

(chemistry) Either of a pair of orbitals, of two molecules or fragments, that overlap to form a bond; especially the HOMO and LUMO orbitals

A form of riveting involving a rotating peen tool mounted at an angle.

Orbital riveting.

(anatomy) Situated behind the orbit or the eye.

plural of orbifold