Chris Albertson wrote:
If you just start thinking of random orbits you will have the problem that something bad happens, like one a month all of then are on one side of the Earth or something dumb like that. Quickly you find the orbits must be an integer fraction or multiple of the Earth's rotation period. a factor of "1" is is very high and takes a lot of energy to
I suspect one reason for having them come back to the same place each day within a few minutes is that you tweak the orbits to optimised the constellation in a war zone and then not have to spend fuel maintaining the
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