(anatomy) Situated behind the orbit or the eye.

The orbit that an astronomical body such as a planet, asteroid, comet or satellite would follow if suddenly all perturbing forces other than the gravitational attraction of the Sun or (for a satellite) its planet were to disappear.

(astrophysics) geostationary Earth orbit / (astrophysics) geostationary orbit (an orbit around any body)

plural of orbital cavity

The orbit of an object around the moon.

plural of lunar orbit

(chemistry, physics) A molecular orbital, responsible for a covalent bond between two atoms, formed by overlap of their corresponding atomic orbitals

Synonym of ring road

plural of Molniya orbit

A highly elliptical orbit with an eccentricity of 0.74, inclination of 63.4 degrees, an argument of perigee of −90 degrees, and an orbital period of half a sidereal day, around the Earth.