apogee
Concise Oxford English Dictionary © 2008 Oxford University Press:
apogee /ˈapədʒiː/
▶noun
- 1 the culmination or climax of something.
- 2 Astronomy the point in the orbit of the moon or a satellite at which it is furthest from the earth. The opposite of perigee.
– origin C16: from Fr. apogée or mod. L. apogaeum, from Gk apogaion (diastēma), ‘(distance) away from earth’.
'apogee' also found in these Oxford entries:

