Concept information
Preferred term
Apsides
Definition
- The point of greatest or least distance of the orbit of a celestial body from a center of attraction. The closest point is the periapsis, the further point the apoapsis. (en)
Broader concept
- Orbital elements (en)
Narrower concepts
- Apastron (en)
- Aphelion (en)
- Apocenter (en)
- Apogee (en)
- Periapsis (en)
- Periastron (en)
- Perigee (en)
- Perihelion (en)
Entry terms
- Apse (en)
- Apsis (en)
Editorial note
URI
http://astrothesaurus.org/uat/63
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