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)

Pertaining to a group of Oriental Orthodox Churches as a distinctive branch of Eastern Christianity

A member of an Oriental Orthodox church.

The part of the Roman Catholic Mass that is the same every day

plural of order of operations

plural of Orthodox Church

plural of antisocial behaviour order

plural of Orthodox Jew

plural of chicken or egg question