Definition of apolune in English:

apolune

Line breaks: apo|lune
Pronunciation: /ˈapə(ʊ)luːn
 
/

noun

[mass noun]
  • The point at which a spacecraft in lunar orbit is furthest from the moon. The opposite of perilune.
    More example sentences
    • This paper investigates the least maneuver velocity through the tolerable apolune and other lunar orbit elements.
    • The spacecraft consists of an orbiter which goes around the Moon at about 100 km altitude near a polar orbit, and a relay satellite on an elliptical orbit with initial apolune at 2,400 km.
    • However, to be useful, the apolune must be located at one of the orbital nodes.

Origin

1960s: from apo- + Latin luna 'moon', on the pattern of apogee.

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