Hi Andreas, On Thu, Sep 9, 2021 at 9:29 PM Andreas Hornig via Seesat-l <seesat-l_at_satobs.org> wrote: > does anyone here determine orbits with doppler shift measurements of the > satellite's radio signals and has some feedback for me on how well they can > determine the orbits? My STRF suite of tools is being used extensively for identifying Doppler curves and for determining orbits based on Doppler curves. If you search back through the SeeSat-L history you will find posts detailing the results. See https://github.com/cbassa/strf for the software. The precision of the orbits will depend on the frequency stability of the RF receiver, as well as the transmitter onboard of the satellite, and the amount of data captured. In the past we've been able to determine radio orbits which allowed observing the satellite in the optical with offsets of less than a degree. Regards, Cees _______________________________________________ Seesat-l mailing list http://mailman.satobs.org/mailman/listinfo/seesat-lReceived on Thu Sep 09 2021 - 14:51:46 UTC
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