Classical Orbital Elements Flashcards
1
Q
What is Semi-major axis?
A
Size of orbit
2
Q
What is Eccentricity?
A
Shape of orbit.
3
Q
What is inclination?
A
The orbit’s tilt.
4
Q
What is the Argument of Perigee?
A
The twist / angle between the ascending node and the perigee of an orbit.
5
Q
Perigee
A
The point when an object is at the greatest velocity and closest to the earth.
6
Q
Apogee
A
The point when an object is at the least velocity and farthest away from the earth.
7
Q
Right/Ascension of the Ascending Node (RAAN)
A
Crossing Point: The angle between the reference plane to the ascending node.
8
Q
true/mean anomaly
A
Current location of satellite on orbit in relation to perigee.
