Definitions of periapsis
n (astronomy) the point in an orbit closest to the body being orbited
- point of periapsis
apoapsis, point of apoapsis
(astronomy) the point in an orbit farthest from the body being orbited
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periapsis in Earth orbit; the point in its orbit where a satellite is nearest to the Earth
periapsis in solar orbit; the point in the orbit of a planet or comet where it is nearest to the sun
periapsis in orbit around Jupiter
periapsis in orbit around the moon
- Type of:
a point in the heavens (on the celestial sphere)