| Answer | Crossword Clue |
|---|---|
| PERIGEE | Closest point in an orbit |
| APSIS | Point in an orbit. |
| APOGEE | Point in an orbit. |
| APOGEE | Point in an orbit |
| APSIS | Point in an orbit |
| APOGEE | Highest point in an orbit |
| APOGEE | Farthest point in an orbit |
| APSIS | Extreme point in an orbit |
| APOGEE | Most distant point in an orbit |
| APOGEAL | Like the highest point in an orbit |
| APOLUNE | Farthest point in an orbit around the moon |
