Antonyms of noun periapsis

1 sense of periapsis

Sense 1
periapsis, point of periapsis -- ((astronomy) the point in an orbit closest to the body being orbited)
       Antonym of apoapsis (Sense 1)
      => apoapsis, point of apoapsis -- ((astronomy) the point in an orbit farthest from the body being orbited)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun periapsis

1 sense of periapsis

Sense 1
periapsis, point of periapsis -- ((astronomy) the point in an orbit closest to the body being orbited)
       => celestial point -- (a point in the heavens (on the celestial sphere))