apolune

[ap-uh-loon]

noun

Aerospace.

1. the point in a lunar orbit that is farthest from the moon.

apolune

/ ˈæpəˌluːn /

noun

1. the point in a lunar orbit when a spacecraft is at its greatest distance from the moon Compare apocynthion perilune

apolune

1. The point at which an object orbiting the Moon, such as an artificial satellite, is farthest from the Moon's center.

Word History and Origins

Origin of apolune¹

1965–70; apo- + -lune < Latin lūna moon, on the model of apogee, etc.

Word History and Origins

Origin of apolune¹

C20: from _apo- + -lune, from Latin lūna moon

Example Sentences

We were alluding to a very elliptical orbit with a low perilune “above” the north pole and apolune “above” the south pole.

From Scientific American