Topic:astronomyuranology
Synset:periapsis
Antonyms:point of apoapsisapoapsis
Part Holonyms:celestial orbit orbit
Hypernyms:celestial point
Inherited Hypernyms:periapsiscelestial pointpointlocationobjectphysical entityentity
Direct Hyponyms:perigeeperihelionperijoveperiluneperiselene
Full Hyponyms:
perigeeperihelionperijoveperiselene