PERIGEE

n. closest point to the earth in the orbit of the moon or other celestial body

This is about the orbital parameter. For the quarterly publication, see . Perigee is the point at which an object in orbit around the Earth makes its closest approach to the Earth. This term commonly refers to the Moon but can be applied to any earth-orbiting body, such as artificial satellites. Often the term is used in a broader sense to define the point in an orbit where the orbitting body is closest to the body it orbits.
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Noun
1. periapsis in Earth orbit; the point in its orbit where a satellite is nearest to the Earth
(antonym) apogee
(hypernym) periapsis, point of periapsis

n. perigee, closest point to the earth in the orbit of the moon or other celestial body

(n.)
Alt. of Perigeum