Tony Beresford, David Brierley, Scott Campbell, Russell Eberst, Peter Gertson, Pierre Neirinck, Greg Roberts and Peter Wakelin made observations used in one or more of the following orbit determinations. The line following each element set states the duration of the underlying observational period, or "arc", and the WRMS (weighted average root mean square) residuals between the orbit and the observations; the smaller the value, the better. Lacrosse 2 1 21147U 91017A 09064.79953076 .00000023 00000-0 33716-5 0 01 2 21147 67.9863 301.3492 0008248 243.0392 117.0296 14.76115538 00 Arc 2009 Feb 25.82 - Mar 05.82, WRMS residuals = 0.022 deg SLDCOM 3 2646 X 11617 km 1 23893U 96029A 09064.72954826 .00000003 00000-0 22221-2 0 00 2 23893 63.4393 54.0186 3320158 263.5610 58.3353 5.52845220 04 Arc 2008 Nov 15.91 - Mar 05.80, WRMS residuals = 0.011 deg SDS 2-4 670 X 39685 km 1 23945U 96038A 09065.17514354 .00000000 00000-0 00000-0 0 02 2 23945 63.8141 234.4650 7345757 252.9404 21.0391 2.00600000 00 Arc 2009 Mar 06.18 - 06.23, WRMS residuals = 0.008 deg The mean motion of the above is a guess. Lacrosse 3 1 25017U 97064A 09065.04932456 .00000059 00000-0 94052-5 0 06 2 25017 57.0094 61.3253 0007072 99.4012 260.7810 14.71579487 00 Arc 2009 Feb 09.20 - Mar 06.06, WRMS residuals = 0.030 deg SDS 3-4 565 X 39787 km 1 28384U 04034A 09064.55001848 .00000000 00000-0 00000-0 0 09 2 28384 63.5805 9.8923 7385457 272.9590 13.0294 2.00623847 09 Arc 2009 Feb 20.21 - Mar 05.87, WRMS residuals = 0.005 deg USA 186 1 28888U 05042A 09061.81647543 .00009319 00000-0 89382-4 0 08 2 28888 97.9173 126.3862 0534951 148.8475 214.5650 14.77461048 09 Arc 2009 Feb 25.82 - Mar 02.83, WRMS residuals = 0.022 deg DSP F23 35753 X 35785 km 1 32287U 07054A 09064.20655843 .00000000 00000-0 00000-0 0 03 2 32287 2.7588 265.8130 0003226 21.1464 338.5398 1.00339412 02 Arc 2009 Jan 13.78 - Mar 06.20, WRMS residuals = 0.007 deg On the epoch date, DSP 23 was located at 28.16 E, and drifting east 0.236 deg/d, and slowly accelerating. USA 200 1060 X 39296 km 1 32706U 08010A 09064.62514303 .00000000 00000-0 00000-0 0 03 2 32706 63.8433 356.0691 7199097 269.7373 15.4543 2.00597717 06 Arc 2009 Feb28.82 - Mar 05.88, WRMS residuals = 0.008 deg 09526A 1142 X 39209 km 1 90083U 09526A 09064.53870985 .00000000 00000-0 00000-0 0 09 2 90083 63.9881 333.3802 7167921 278.5579 12.9852 2.00628919 09 Arc 2009 Feb 28.83 - Mar 05.88, WRMS residuals = 0.011 deg Ted Molczan ------------------------------------------------------------------------- Subscribe/Unsubscribe info, Frequently Asked Questions, SeeSat-L archive: http://www.satobs.org/seesat/seesatindex.html
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