Orbital Mechanics

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.

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• 
• 

Which ellipse has an eccentricity of 0.7.

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• 
• 

Which ellipse has an eccentricity of 0.4.

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• 
• 

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