Possible Clues:

• Lunar orbit apex
• The highest point of a river attracting expression of surprise
• Furthest point of an orbit
• Go to Father back to ease, by the sound of it, as far away as possible
• The ape is about to go back to the East as far from Earth as possible
• Point of orbit furthest from the earth
• A high point in planetary affairs
• Point of orbit farthest from earth
• Sputnik stat
• (Orbit) most distant point from earth