Meaning of apolune in English:

apolune

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

    ‘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.’
    • ‘The perilune slowly decreased to about 300 km and the apolune increased to about 3000 km, while the argument of perilune drifted around the south pole.’
    • ‘Having an apolune closer to the Moon would increase the efficiency for lunar mapping at higher resolutions than carried out by the Clementine and Lunar Prospector probes.’

Origin

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