Hi Derek, Scott Campbell has a handy program to fit orbits to observations: http://satelliteorbitdetermination.com/SATFIT.htm This can be used to get estimates for the orbital elements which can give you an idea of what it was you saw. On Tue, Mar 12, 2013 at 5:43 PM, Derek C Breit <breit_ideas@poyntsource.com> wrote: > 99999 99 999J 8739 G 20130312030544361 26 25 0935553+431012 37 > 99999 99 999J 8739 G 20130312030548365 26 25 0934127+443731 37 Fitting a circular orbit to these points suggest a retrograde orbit with an inclination of 120 degrees. The only classified objects we know that have similar inclinations are the FIA Radars, both of which have accurate elements and are no where near these observations. Not sure what this may be. > 99998 99 999H 8739 G 20130312032703087 26 25 0716653-284199 37 > 99998 99 999H 8739 G 20130312032712663 26 25 0659713-294583 37 This is another retrograde orbit, now with an inclination near 142.5 degrees. This matches the Israeli Ofeq satellites. My guess is that it is Ofeq 5 [27434/02025A], last seen 720 days ago, though it could also be Ofeq 7 [31601/07025A]. Ted and Mike are more suited to confirm this. Great to see the extra sensitivity of recording to disk is giving interesting results! Regards, Cees _______________________________________________ Seesat-l mailing list http://mailman.satobs.org/mailman/listinfo/seesat-l
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