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| PAGE: 709 | SET: Exercises | PROBLEM: 101 |
Satellite orbit :
The apogee(the point in orbit farthest from earth) and the perigee (the point in orbit closest to earth) of an elliptical orbit of an earth satellite are given by 
and 
, then the eccentricity of the orbit is 
.
The highest point above the earth is 
.
The lowest point closest to the earth is 
.
Find the eccentricity of the orbit.
The eccentricity of the orbit is 
.
Substitute 
and 
.
.
Therefore, the eccentricity of the orbit is 
.
The eccentricity of the orbit is 
.
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