Orbital elements
type: Concept
narrower: Apsides

Periapsis
type: Concept
broader: Apsides

Periastron
type: Concept
broader: Apsides

Perigee
type: Concept
broader: Apsides

Perihelion
type: Concept
broader: Apsides

Apastron
type: Concept
broader: Apsides

Aphelion
type: Concept
broader: Apsides

Apocentre
type: Concept
broader: Apsides
preferred label: Apocenter

Apogee
type: Concept
broader: Apsides

Apsides
type: Concept
contributor: AAS Frey.Katie
modified: 2020-10-26T18:44:31.717Z
modified: 2020-10-26T18:44:18.583Z
alternative label: Apse
alternative label: Apsis
broader: Orbital elements
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.
narrower: Periapsis
narrower: Apocentre
narrower: Perigee
narrower: Periastron
narrower: Perihelion
narrower: Apastron
narrower: Apogee
narrower: Aphelion