Perilune

Periapsis in lunar orbit.

perilune

perilune That point at which a spacecraft in lunar orbit is closest to the moon's center: applied especially if the spacecraft was launched from the moon.
Found on http://www.wordinfo.info/words/index/info/view_unit/1218/3

Perilune

That point in a lunar orbit which is nearest to the Moon.
Found on http://www.braeunig.us/space/glossary.htm

Perilune

The closest point to the Moon in an object's orbit around it.
Found on http://www.moonconnection.com/moon-glossary.phtml

perilune

The point on an elliptical lunar orbit that is nearest to the Moon.
Found on http://www.daviddarling.info/encyclopedia/P/perilune.html
No exact match found