#12915 = Molniya 3-17: Bjoern has already posted that this decayed at midnight Jan 8/9 and provided the finals OIG elsets. Here they are again, sorted and with apogee and perigee heights added: Molniya 3-17 1558 x 89 km 1 12915U 81105A 97008.77556375 .99999999 18532-4 42870-2 0 6199 2 12915 62.3180 45.0079 1019796 268.3232 80.0068 14.20628975 70995 Molniya 3-17 1395 x 68 km 1 12915U 81105A 97008.84615530 .99999999 61108-5 98602-3 0 6201 2 12915 62.3254 45.0145 0933391 270.4324 79.2474 14.48187781 71001 Molniya 3-17 1388 x 69 km 1 12915U 81105A 97008.84610765 .99999999 59504-5 98602-3 0 6214 2 12915 62.3545 45.0959 0927980 269.8528 79.6204 14.49124018 71013 Molniya 3-17 1078 x 75 km 1 12915U 81105A 97008.91461910 .99999999 69397-5 18562-2 0 6226 2 12915 62.3283 44.8328 0721355 271.2505 80.8496 14.96854395 71027 Molniya 3-17 669 x 67 km 1 12915U 81105A 97008.98072892 .99999999 83148-5 12633-2 0 6234 2 12915 62.2853 44.5003 0445911 274.4759 81.2296 15.66775958 71032 The following SatEvo evolution satisfies the equator crossing times for these revs to better than 1 second; the drag (ndot/2) terms look less monotonous than the multitude of 9's above. I adjusted the initial eccentricity to give a perigee height of 69km. Molniya 3-17 1679 x 69 km 1 12915U 81105A 97008.77556044 2.62994377 22621+1 11200-2 0 96191 2 12915 62.3180 45.0079 1109799 268.3232 78.9601 14.05735553 70991 Molniya 3-17 1404 x 69 km 1 12915U 81105A 97008.84608963 3.19844083 32900+1 12305-2 0 96196 2 12915 62.3008 44.7881 0938160 268.3420 80.9058 14.46644081 71009 Molniya 3-17 1089 x 69 km 1 12915U 81105A 97008.91454329 4.14997910 65092+1 13843-2 0 96199 2 12915 62.2864 44.5602 0732750 268.3619 83.2392 14.96114150 71016 Molniya 3-17 678 x 69 km 1 12915U 81105A 97008.98058997 7.07927125 36328+2 18024-2 0 96190 2 12915 62.2601 44.3212 0450876 268.3831 86.4492 15.64915930 71020 I suspect decay occurred close to perigee (in the S hemisphere) at about January 9.03. -------------------------------------- #24641 = Molniya 3-48 r: This may decay at about January 12.2 according to my latest analysis. A SatEvo evolution satisfies 8 elsets (Jan 8.36...Jan 9.47) to within 0.15 sec and leads to the following predicted elsets. Molniya 3-48 r 7.5 2.6 0.0 5.3 d 232 x 175 km 1 24641U 96060B 97010.02793143 .02316751 25921-2 56150-3 0 91542 2 24641 62.7907 220.1044 0043930 127.9287 232.4684 16.25935515 12282 Molniya 3-48 r 7.5 2.6 0.0 5.3 d 222 x 171 km 1 24641U 96060B 97010.51956508 .02799848 41879-2 56452-3 0 91549 2 24641 62.7898 218.0948 0038691 128.0284 232.3205 16.28431833 12361 Molniya 3-48 r 7.5 2.6 0.0 5.3 d 210 x 167 km 1 24641U 96060B 97011.01035941 .03637932 77437-2 57057-3 0 91541 2 24641 62.7888 216.0806 0032631 128.1285 232.1653 16.31549348 12440 Molniya 3-48 r 7.5 2.6 0.0 5.3 d 193 x 160 km 1 24641U 96060B 97011.50005826 .05455221 19826-1 57799-3 0 91545 2 24641 62.7874 214.0603 0025172 128.2291 231.9973 16.35863727 12523 Molniya 3-48 r 7.5 2.6 0.0 5.3 d 159 x 143 km 1 24641U 96060B 97012.04885247 .16842037 25766+0 36996-3 0 91549 2 24641 62.7843 211.7757 0012263 128.3432 231.7670 16.45583006 12610 Alan -- Alan Pickup | COSPAR site 2707: 55d53m48.7s N 3d11m51.2s W 156m asl Edinburgh | Home: alan@wingar.demon.co.uk +44 (0)131 477 9144 Scotland | Royal Observatory: A.Pickup@roe.ac.uk +44 (0)131 668 8224