Classical Orbital Elements Flashcards
(6 cards)
1
Q
What describes the size of an orbit?
A
Semi-Major Axis (a)
2
Q
What describes the SHAPE of an orbit?
A
Eccentricity (e)
Measured from 0-1
3
Q
What describes the TILT of the orbit?
A
Inclination (i)
Measured in degrees from 0-180
4
Q
What is the TWIST of the orbit?
A
Right Ascension of the Ascending Node (RAAN)
Measured from the Vernal Equinox to the Ascending Node
Measured in degrees from 0-360
5
Q
What describes the ORIENTATION of the orbit?
A
Argument of Perigee
Measured from the Ascending Node to the Perigee
Measured in degrees from 0-360
6
Q
What is the LOCATION of satellite?
A
True Anomaly
Measured from Perigee to Satellite