periapsis
(astronomy) the point in an orbit closest to the body being orbited • Syn: point of periapsis • Ant: point of apoapsis (for: point of periapsis), apoapsis • Topics: astronomy, uranology • Hypernyms: celestial point • Hyponyms: perigee, perihelion, perijove, periselene, perilune • Part Holonyms: orbit, celestial orbit
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