"periapsis" | Definition and Related Words

Noun

referred to in: astronomy, uranology - the branch of physics that studies celestial bodies and the universe as a whole

is a type of: celestial point - a point in the heavens (on the celestial sphere)
subtypes:
- perigee - periapsis in Earth orbit; the point in its orbit where a satellite is nearest to the Earth
- perihelion - periapsis in solar orbit; the point in the orbit of a planet or comet where it is nearest to the sun
- perijove - periapsis in orbit around Jupiter
- perilune, periselene - periapsis in orbit around the moon
is a part of: celestial orbit, orbit - the (usually elliptical) path described by one celestial body in its revolution about another

same as: point of periapsis