| Name | Symbol | Describes |
| Semi-major axis | a | Orbit size |
| Eccentricity | e | Orbit shape |
| Inclination | i | Tilt of orbit plane relative to the equator |
| Right ascension of the Ascending Node | Ω | Twist of ascending node from the reference direction |
| Argument of Perigee | ω | Location of periapsis relative to the ascending node |
| True Anomaly | ? | Location of satellite relative to periapsis |
