I have updated the elements by taking better advantage of the data in Adam's video of March 9 UTC, which I added to the data from his colleague's video of March 6 UTC. 241 X 276 km 1 92004U 21565A 21068.15979167 .00440000 00000-0 55511-3 0 07 2 92004 53.0473 160.6620 0026463 271.7192 174.8524 16.06005879 03 Arc 20210306.17-0309.16 WRMS resid 0.144 totl 0.021 xtrk The elements remain somewhat uncertain, but I am much more confident in the mean motion and rate of decay, compared with the TLE I posted yesterday. Prediction time uncertainty tomorrow morning (Mar 11 UTC) is about 2 minutes. Ted Molczan _______________________________________________ Seesat-l mailing list http://mailman.satobs.org/mailman/listinfo/seesat-lReceived on Wed Mar 10 2021 - 07:53:17 UTC
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