- the point in the orbit of a heavenly body, especially the moon, or of an artificial satellite at which it is nearest to the earth.
Origin of perigee
Examples from the Web for perigee
That point of the moon's orbit which is furthest from the earth; the opposite of perigee.The Sailor's Word-Book
William Henry Smyth
It now has a perigee slightly below 110 miles and an apogee of about 400 miles.If at First You Don't...
Perigee, the point in the orbit of the moon or a planet nearest the earth.The Nuttall Encyclopaedia
Edited by Rev. James Wood
The Moon, with regard to the Earth, is similarly in her perigee, and her apogee.All Around the Moon
On the longitude of the perigee of the lunar orbit at the time.Outlines of a Mechanical Theory of Storms
- the point in its orbit around the earth when the moon or an artificial satellite is nearest the earthCompare apogee (def. 1)
Word Origin and History for perigee
"point at which a celestial body is nearest the Earth," 1590s, from Modern Latin perigeum (15c.), from Late Greek peregeion, used by Ptolemy as a noun, properly neuter of adjective perigeios "near the earth," from peri ges, from peri "near" (see peri-) + ges, genitive of ge "earth" (see Gaia).
- The point nearest Earth's center in the orbit of the Moon or an artificial satellite.
- The point in an orbit that is nearest to the body being orbited. Compare apogee perihelion.