I responded to Russell Eberst: > > My first sighting of 96-72A (USA129) this season indicates > > that it is running about 5 minutes late on latest (7-day old) > > elements. > > It was only 16 s late and within 0.02 s of the epoch > 04350.49256093 elset. Also, 01044A (USA 161) lagged well > short of the approx 2h40m that triggers a reboost. I need to > do more analysis, but I suggest reverting to the 04350.49256093 elset. The 7 day old elements were based in part on Bjorn Gimle's obs of 2005 Jan 6, of an object he believed was 96072A, but which I suspect may have been MSX (96024A / 23851). I am not certain, because there is a substantial time and track error relative that object also. Perhaps a reduction error? Using Greg Roberts' obs of 2004 Dec 14 and Russell's of 2005 Jan 13, I obtained the following 96072A elset: USA 129 15.0 3.0 0.0 5.3 v 1 24680U 96072A 05013.82245905 .00014087 00000-0 19496-3 0 03 2 24680 98.0039 78.9119 0518857 297.4661 57.4704 14.74158695 02 Residuals are small. Ted Molczan ------------------------------------------------------------------------- Subscribe/Unsubscribe info, Frequently Asked Questions, SeeSat-L archive: http://www.satobs.org/seesat/seesatindex.html
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