Propagating USSTRATCOM's orbital elements of UARS (91063B / 21701) with epoch on Sep 21 UTC, using Satevo, indicates decay late on Sep 23, roughly between 18:00 and 22:00 UTC. This is consistent with Harro Zimmer's estimate of 20:05 UTC +/- 5 h, which he posted 24 h ago. I offer the following ground track plot to help visualize where UARS could come down during that period. http://satobs.org/seesat_ref/misc/UARS_decay_2011_Sep_23_UTC_v1.jpg There is still potential for the estimated time of decay to shift somewhat, before it begins to narrow down. Ted Molczan _______________________________________________ Seesat-l mailing list http://mailman.satobs.org/mailman/listinfo/seesat-l
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