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Definition of Periapsis
1. Noun. (astronomy) the point in an orbit closest to the body being orbited.
Exact synonyms: Point Of Periapsis
Category relationships: Astronomy, Uranology
Generic synonyms: Celestial Point
Group relationships: Celestial Orbit, Orbit
Specialized synonyms: Perigee, Perihelion, Perijove, Perilune, Periselene
Antonyms: Apoapsis, Point Of Apoapsis
Category relationships: Astronomy, Uranology
Generic synonyms: Celestial Point
Group relationships: Celestial Orbit, Orbit
Specialized synonyms: Perigee, Perihelion, Perijove, Perilune, Periselene
Antonyms: Apoapsis, Point Of Apoapsis
Definition of Periapsis
1. Noun. (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. ¹
¹ Source: wiktionary.com
Definition of Periapsis
1. [n -APSES]
Lexicographical Neighbors of Periapsis
Literary usage of Periapsis
Below you will find example usage of this term as found in modern and/or classical literature:
1. Bulletin of the Philosophical Society of Washington by Philosophical Society of Washington (1881)
"... at the two apses without limit, the "periapsis" continually approaching the
attractive center, as long as the minor axis has a value, however small. ..."
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