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by viraptor 2665 days ago
So if I understand the source data correctly, it doesn't seem to be super random. These are the last 5 TLE entries for one of the GPS satellites:

    40105 54.5777 194.6697 0011887 101.0084 259.0886 2.00557623 33631
    40105 54.5775 194.5700 0011842 101.1165 258.9939 2.00557745 33682
    40105 54.5775 194.5700 0011842 101.1165 258.9939 2.00557745 33682
    40105 54.5775 194.5700 0011842 101.1165 258.9939 2.00557745 33682
    40105 54.5775 194.5700 0011842 101.1165 258.9939 2.00557745 32827
It looks like you can't really predict them, but you can certainly generate likely candidates.

The values have expected cycles as well: https://space.stackexchange.com/questions/30735/why-do-gps-s...

Am I missing something here?