4 ms·
Definitely GPS, probably star trackers too. Not a good idea to have a single point of failure on position knowledge when your whole scheme depends on putting sm
by debatem1 7y ago
Definitely GPS, probably star trackers too. Not a good idea to have a single point of failure on position knowledge when your whole scheme depends on putting small beams in the right places.
- SiempreViernes 7y agoThey do seem to have star trackers, but rely on NORAD for other satellites Details towards the end: https://techcrunch.com/2019/05/24/spacex-reveals-more-starlink-info-after-launch-of-first-60-satellites/ https://techcrunch.com/2019/05/24/spacex-reveals-more-starli...
- dtkav 7y agostar trackers are not used for orbit determination (position). They are used to determine the attitude (orientation). GPS works extremely well in low earth orbit.
- Rebelgecko 7y agoHow do you pull a TLE (or any sort of ephemeris other than rotation/attitude) out of star tracker data?