The elsets published since my previous posting show an interesting (fictional?) variation in perigee height: Centaur r 4151 x 96 km 1 24316U 96054B 97074.87306863 .80404431 -22561-4 26958-2 0 862 2 24316 25.1748 86.9727 2384668 270.8352 62.4321 11.07570954 9015 Centaur r 3694 x 103 km 1 24316U 96054B 97075.05137053 .99999999 -23460-4 56726-2 0 870 2 24316 25.2354 86.3287 2169418 272.3854 66.2094 11.53091383 9038 Centaur r 3507 x 109 km 1 24316U 96054B 97075.13662676 .99999999 -23948-4 63573-2 0 883 2 24316 25.2865 86.0661 2075077 272.7398 63.1207 11.72202202 9040 Centaur r 3314 x 103 km 1 24316U 96054B 97075.22151452 .99999999 -24605-4 47693-2 0 895 2 24316 25.2920 85.7328 1985484 273.3537 64.6432 11.93874537 9057 Centaur r 3304 x 107 km 1 24316U 96054B 97075.22140436 .99999999 -24618-4 58976-2 0 907 2 24316 25.2714 85.6580 1977198 273.3652 64.4075 11.94514073 9056 Centaur r 3305 x 106 km 1 24316U 96054B 97075.22140339 .99999999 -24628-4 56727-2 0 913 2 24316 25.2708 85.6567 1978262 273.3591 64.4132 11.94540570 9054 Centaur r 3006 x 95 km 1 24316U 96054B 97075.30447232 .26369914 -26948-4 68271-3 0 928 2 24316 25.2524 85.3244 1835484 273.4301 66.1074 12.29665830 9068 Centaur r 2845 x 78 km 1 24316U 96054B 97075.38552276 .99999999 -26380-4 17628-2 0 933 2 24316 25.2153 84.9819 1764741 275.1471 65.6574 12.50692941 9070 Centaur r 2590 x 96 km 1 24316U 96054B 97075.46462128 .99999999 -26857-4 44553-2 0 956 2 24316 25.2216 84.5556 1614800 276.1108 65.2095 12.79597738 9086 The latest elset above arrived after I'd completed the following SatEvo evolution which leads to decay at March 16.94. The elset was therefore not included in the analysis but implies that the rocket was running (only!) 4s early at about 11h UT. I plan further analyses later.. Centaur r 2618 x 96 km 1 24316U 96054B 97075.46479987 1.85001133 76480+0 45139-2 0 90879 2 24316 25.1996 84.5205 1629803 275.4758 66.2275 12.76143641 9081 Centaur r 2378 x 96 km 1 24316U 96054B 97075.54243870 2.05501904 10310+1 47028-2 0 90872 2 24316 25.1914 84.1356 1498090 276.1338 67.0624 13.06385173 9098 Centaur r 2126 x 96 km 1 24316U 96054B 97075.61824513 2.32936608 14140+1 49572-2 0 90873 2 24316 25.1846 83.7412 1354994 276.8081 68.0029 13.39503240 9101 Centaur r 1856 x 96 km 1 24316U 96054B 97075.69212983 2.72071411 22342+1 53098-2 0 90870 2 24316 25.1747 83.3361 1196057 277.5009 69.1007 13.76613092 9119 Centaur r 1556 x 96 km 1 24316U 96054B 97075.76395510 3.33828572 37174+1 58488-2 0 90879 2 24316 25.1658 82.9180 1013116 278.2158 70.4386 14.19731499 9127 Centaur r 1212 x 96 km 1 24316U 96054B 97075.83349742 4.31145143 70159+1 64877-2 0 90877 2 24316 25.1551 82.4840 0793298 278.9581 72.1545 14.72137347 9137 Centaur r 774 x 96 km 1 24316U 96054B 97075.90040406 7.01727814 41128+2 78295-2 0 90875 2 24316 25.1405 82.0283 0497779 279.7378 74.6779 15.43816619 9142 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