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Definition 2024
periapsis
periapsis
English
Noun
periapsis (plural periapsides)
- (astronomy) 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 minimum.
Usage notes
In the case of some particular celestial bodies, specialised terms are used.
Antonyms
Synonyms
Related terms
- perigalacticon
- periastron
- perihelion
- perilune
- perigee
- perinigricon
- peribothra
- periselene
- pericynthion
- perihermion
- periareion
- perizene
- perijove
- perikrone
- perisaturnium
- periuranion
- periposeidion
- perihadion
- pericytherion
- pericytherean
- perikrition
Translations
Translations
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