periapsis

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Noun

periapsis (plural periapsides)

1. (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.

Synonyms

• pericenter

Antonyms

• apoapsis

Related terms

• periareion
• periastron
• peribothron
• pericenter, pericentre
• pericynthion
• perigalacticon
• perigee
• perihelion
• perihermion
• perijove
• perikrone, perikron
• perilune
• perimelasma
• perinigricon
• periposeidon
• perisaturnium
• periselene

Translations

• French: périapse, périapside
• Portuguese: periapside

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