Summary of Orbital Elements

 

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