If a satellite in the equatorial plane rotating in the direction of earth’s rotation from west to east. An observer which is on the earth the time interval between the two consecutive appearances overhead will be:
As we learn
Time period of satellite for appearance overhead -
if
- wherein
if satellite in the equilateral planes moves from west to east Angular velocity of satellite will
South velocity
East velocity
Here TE = time period of earth
Ts = time period of satellite
For an observer on the earth, angular velocity of satellite will be (ws – wE). So the interval between two consecutive appearances overhead will be
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