perigee 1
noundomain: location
Princeton WordNet [ver.3.1]
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EnglishDefinition
periapsis in Earth orbit; the point in its orbit where a satellite is nearest to the Earth
Hypernym
periapsis 1
noun
(astronomy) the point in an orbit closest to the body being orbited
EnglishAntonym
apogee 2
noun
apoapsis in Earth orbit; the point in its orbit where a satellite is at the greatest distance from the Earth
