1. Orbits from observations Lacrosse 5 0.0 0.0 0.0 3.4 v 1 71001U 05016A 05122.31107614 .00000264 00000-0 20000-4 0 05 2 71001 57.0069 124.1260 0166231 19.6255 341.1073 14.91473785 09 Arc 2005 May 01.33 - 02.33, WRMS residuals = 0.040 deg Lacrosse 5 r 9.8 3.0 0.0 4.8 v 1 71004U 05016B 05122.04208959 .00000275 00000-0 20495-4 0 02 2 71004 57.0014 125.1855 0165357 17.8772 342.7981 14.92106891 02 Arc 2005 Apr 30.04 - May 02.06, WRMS residuals = 0.040 deg 2. Estimated Orbit of 05016A after Circularization Since the manoeuvre did not occur when expected, I am much less confident trying to predict it. However, in case there was simply a 24 h delay, I have produced search orbits based on the assumption that the payload will circularize its orbit on an apogee pass within range of Diego Garcia I cannot decide between the two opportunities tonight, so I produced elements for both. If you have little time for plotting paths, use 70003 and 70004, because they produce earlier times than 70001 and 70002. 2.1 Manoeuvre on 2005 May 03 near 00:27:20 UTC: High orbit 703 X 709 km 1 70001U 05123.01898148 .00000044 00000-0 10000-4 0 04 2 70001 57.0069 121.3116 0004000 20.8673 182.0000 14.56000000 09 Low Orbit 670 X 676 km 1 70002U 05123.01898149 .00000055 00000-0 10000-4 0 08 2 70002 57.0069 121.3116 0004000 20.8673 182.0000 14.66200000 03 2.2 Manoeuvre on 2005 May 03 near 02:03:53 UTC: High orbit 703 X 709 km 1 70003U 05016A 05123.08603009 .00000044 00000-0 10000-4 0 05 2 70003 57.0069 121.0450 0004000 20.9849 182.0000 14.56000000 05 Low Orbit 670 X 676 km 1 70004U 05016A 05123.08603010 .00000055 00000-0 10000-4 0 00 2 70004 57.0069 121.0450 0004000 20.9849 182.0000 14.66200000 09 Ted Molczan ------------------------------------------------------------------------- Subscribe/Unsubscribe info, Frequently Asked Questions, SeeSat-L archive: http://www.satobs.org/seesat/seesatindex.html
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