| 释义 |
periapsis
per·i·ap·sis P5204900 (pĕr′ē-ăp′sĭs)n. pl. per·i·ap·si·des (-sĭ-dēz′) The point at which an orbiting object is closest to the center of mass of the body it is orbiting.periapsis (ˌpɛrɪˈæpsɪs) n (Astronomy) astronomy the closest point to a central body reached by a body in orbitThesaurus| Noun | 1. | periapsis - (astronomy) the point in an orbit closest to the body being orbitedpoint of periapsisastronomy, uranology - the branch of physics that studies celestial bodies and the universe as a wholecelestial point - a point in the heavens (on the celestial sphere)celestial orbit, orbit - the (usually elliptical) path described by one celestial body in its revolution about another; "he plotted the orbit of the moon"perigee - periapsis in Earth orbit; the point in its orbit where a satellite is nearest to the Earthperihelion - periapsis in solar orbit; the point in the orbit of a planet or comet where it is nearest to the sunperijove - periapsis in orbit around Jupiterperilune, periselene - periapsis in orbit around the moonapoapsis, point of apoapsis - (astronomy) the point in an orbit farthest from the body being orbited |
Translations
periapsis
periapsis (pe-ree-ap -sis) See apsides.periapsis[‚per·ē′ap·səs] (astronomy) The orbital point nearest the center of attraction of an orbiting body. MedicalSeeAPSISperiapsis
Related to periapsis: true anomalySynonyms for periapsisnoun (astronomy) the point in an orbit closest to the body being orbitedSynonymsRelated Words- astronomy
- uranology
- celestial point
- celestial orbit
- orbit
- perigee
- perihelion
- perijove
- perilune
- periselene
Antonyms- apoapsis
- point of apoapsis
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