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Questions about orbits utilizing nodal precession so that spacecraft are able to maintain the same local mean solar time at any given point of an orbit. The effect is achieved through choosing inclination and altitudes of the apses.

1 vote

Length of time in a satellite spends in Earths shadow

Sun-synchronous orbits are inclined by a few degrees away from going directly over the poles. Because of these, they can go “behind” the Earth at either the north or South Pole, going into shadow. ( …
Bob Jacobsen's user avatar
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What would be different about satellite orbits if Earth were prolate? Would we have Sun-sync...

Physically, you can think of a sun-synchronous orbit as having its orbital plane precessing once a year. Like a toy gyroscope’s plane of rotation precesses under the torque due to gravity, so does the …
Bob Jacobsen's user avatar
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