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WorksheetsOrbital Mechanics
Total questions: 21
Worksheet time: 11mins
An argument of perigee would be easiest to see in a picture of an orbit with which eccentricity: 0.0, 0.3, or 0.7?
0.0
0.3
0.7
1.0
The angle between the perigee point and the satellite's location measured in the direction of the satellite's motion.
Eccentricity
Inclination
Polar Orbit
True Anomaly
Abbreviated as ω. The orientation of the orbit within the orbital plane.
Low Earth Orbit
Argument of Perigee
Molniya Orbit
Geostationary Earth Orbits
Eccentricity of 0 means the orbit is circular. An eccentricity of 1 or greater means the orbit is not ____ ?
closed
open
equal
big
All circles are ellipses and all ellipses are circles.
True
False
Which ellipse has an eccentricity of 0.0.
Which ellipse has an eccentricity of 0.7.
Which ellipse has an eccentricity of 0.4.
Which of the following orbital parameters describes the size and shape of the orbit?
Semi-minor access, eccentricity
Semi-major access, eccentricity
Semi-major access, Inclination
Semi-major access, True Anomaly
Perigee describes the point in an orbit closest to earth.
True
False
A circular orbit has an apogee exactly twice the altitude of its perigee.
True
False
The right ascension of the ascending node is defined from the point where a satellite crosses the prime meridian.
True
False
What eccentricity value does a perfect circle have?
0.0
0.4
0.7
1
A satellite designed to take images to monitor the polar ice caps would have an inclination close to what value(deg)?
0
30
45
90
There is only one altitude for LEO (low earth orbit) satellites.
True
False
Sun-synchronous orbits maintain the same sun angle over time.
True
False
The flight path angle of an elliptical orbit is always nonzero.
True
False
_____ satellite ONLY exists directly above equator AKA sub-satellite longitude
GEO
LEO
Molniya
Polar
The inclination of a _____ orbit is 90 degrees
Ellipse
GEO
LEO
Polar
If the US wants to spy on Russia which orbit would be the best?
GEO
LEO
Polar
Moly
A satellite designed to take images to monitor the polar ice caps would have an inclination close to what value(deg)?
0
30
45
90
