perigee

English Thesaurus

1. periapsis in Earth orbit; the point in its orbit where a satellite is nearest to the Earth (noun.location)

hypernym	:	periapsis, point of periapsis,
definition	:	(astronomy) the point in an orbit closest to the body being orbited (noun.location)

antonym	:	apogee,
definition	:	apoapsis in Earth orbit; the point in its orbit where a satellite is at the greatest distance from the Earth (noun.location)

antonym	:	apogee,
definition	:	apoapsis in Earth orbit; the point in its orbit where a satellite is at the greatest distance from the Earth (noun.location)