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Strictly speaking, the star trackers don't provide any position information; what they provide is a very accurate measurement of the satellite's orientation. An
by teraflop 7y ago
Strictly speaking, the star trackers don't provide any position information; what they provide is a very accurate measurement of the satellite's orientation. And yes, they're commonly used on satellites.
- tigershark 7y agoExactly, I remember that Hubble used the GSC catalog and it was the first cd rom that I had at the time: https://en.m.wikipedia.org/wiki/Guide_Star_Catalog https://en.m.wikipedia.org/wiki/Guide_Star_Catalog