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Related to perilune: apolune


The point in an orbit around the moon where the orbiting body is closest to the moon.

[peri- + Latin lūna, moon; see lune.]


(Astronautics) the point in a lunar orbit when a spacecraft launched from the moon is nearest the moon. Compare apolune, pericynthion
[C20: from peri- + -lune, from Latin lūna moon]


(ˈpɛr ɪˌlun)

the point in a lunar orbit that is nearest to the moon.
[1955–60; peri- + -lune < Latin lūna moon]


in orbit around a moon, the point nearest the moon. Cf. apolune.
See also: Astronomy
the closest point to the moon in a lunar orbit, as that of a spacecraft. Also called pericynthion.
See also: Planets
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.perilune - periapsis in orbit around the moon
periapsis, point of periapsis - (astronomy) the point in an orbit closest to the body being orbited
apolune, aposelene - apoapsis in orbit around the moon
References in periodicals archive ?
Over the last two quarters, Perilune has purchased a fleet of widebody aircraft valued on lease to major domestic and international airlines and is in the process of closing on a second fleet of aircraft with a strategic partner, the company said.
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The initial distance of Luna 10 from the lunar surface was 350 km at perilune and 1015 km at apolune, and it transmitted its own signal until May 30, 1966.