aposelene
/ˌæpəˈsɛlini/
noun
- The point in an orbit around the moon that is farthest from the moon's center.
- At aposelene, the satellite was over 100,000 kilometers from the moon.
- The spacecraft reached its aposelene and began its slow descent toward the lunar surface.
- Mission control tracked the probe's speed as it passed through aposelene.
Antonyms