apoapsis

Meanings

Plural: apoapses, apoapsides, apoapsises

Noun

• (astronomy) the point in an orbit farthest from the body being orbited
• The point of a body's elliptical orbit about the system's centre of mass where the distance between the body and the centre of mass is at its maximum.

Synonyms

apoapse, apocenter, point of apoapsis

Antonyms

periapsis, point of periapsis

Related Words

apastron, aphelion, apoareion, apocenter, apocynthion, apocytherion, apogalacticon, apogee, apohermion, apojove, apokron, apokrone, apolune, aponigricon, aposaturnium, aposelene