FWIW (SGP4 is not reliable on HEO/GEO orbits over long times and the SGP drag terms have opposite signs), AllCola gives the close approach on July 31. The shortest orbit separation on Aug.02 Vec2TLE gives: COSMOS 2001 1 19796U 89011A 03215.60000000 -.00001182 00000-0 10000-3 0 6004 2 19796 66.6586 50.9920 6842320 219.7239 223.4505 2.00883623105980 COSMOS 2001 1 19796U 89011A 3215.60000000 .00000810 00000-0 10000-3 0 5997 2 19796 66.8162 51.5184 6761910 218.1181 218.5987 2.00500830105979 I don't see this as a relocation, possibly an adjustment of Mean Motion. Date UTC Time Norad Name Range/OrbSep 7/30/2003 4:53:21.73 19796 COSMOS 2001 431.2/ 218.7 7/30/2003 7:58:50.33 19796 COSMOS 2001 487.3/ 259.5 7/30/2003 17:47:50.68 19796 COSMOS 2001 266.8/ 127.3 7/30/2003 19:27:04.77 19796 COSMOS 2001 271.5/ 215.8 7/31/2003 6:22:56.27 19796 COSMOS 2001 162.3/ 101.1 7/31/2003 17:52:31.01 19796 COSMOS 2001 525.7/ 94.5 8/ 1/2003 5:20:56.97 19796 COSMOS 2001 835.1/ 80.2 8/ 1/2003 16:50:39.18 19796 COSMOS 2001 1097.8/ 60.4 8/ 2/2003 4:22:01.74 19796 COSMOS 2001 1327.3/ 36.6 8/ 2/2003 15:55:26.28 19796 COSMOS 2001 1532.9/ 10.4 ----- Original Message ----- > They recently have relocated cosmos 2001. > ------------------------------------------------------------------------- Subscribe/Unsubscribe info, Frequently Asked Questions, SeeSat-L archive: http://www.satobs.org/seesat/seesatindex.html
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