_____________________________________________________________________ Object: #15027 = 84- 55 A = Cosmos 1569 Final decay analyses: Source Prediction made Predicted decay at Latitude Longitude UTC UTC deg deg SpaceCom May 7 04:13 May 7 03:14 +-15m 13.0 S 16.4 E SatEvo May 7 07:30 May 7 03:07 -2+15m 0.0 10.3 E Final elsets: Cosmos 1569 512 x 76 km 1 15027U 84055A 01127.06167440 .12677474 78657-5 42237-4 0 9017 2 15027 62.1803 102.3935 0327186 249.2527 248.5980 15.92961819124899 Cosmos 1569 175 x 51 km 1 15027U 84055A 01127.11301274 .71855109 88759-5 17116-4 0 9029 2 15027 62.1718 102.1608 0095323 241.4976 197.8690 16.60038270124904 Note: This survived for two or three orbits longer than I expected and showed a considerable decrease in drag over that period. I suspect that it lost some appendages (solar panels, antennae?) at an earlier perigee so that its effective cross sectional area fell, making it less susceptible to drag and giving it a stay of execution. The final elset, with its remarkably low perigee, corresponds to a passage near apogee over Canada. Like SpaceCom, I think that decay was most likely as it tracked southwards across the equator from Gabon to Angola in Africa a few minutes later. _____________________________________________________________________ Alan -- Alan Pickup / COSPAR 2707: 55d53m48.7s N 3d11m51.2s W 156m asl Edinburgh / SatEvo & elsets: http://www.wingar.demon.co.uk/satevo/ Scotland / Decay Watch: http://www.wingar.demon.co.uk/satevo/dkwatch/ * ----------------------------------------------------------------- Unsubscribe from SeeSat-L by sending a message with 'unsubscribe' in the SUBJECT to SeeSat-L-request@lists.satellite.eu.org http://www2.satellite.eu.org/seesat/seesatindex.html
This archive was generated by hypermail 2b29 : Mon May 07 2001 - 00:45:47 PDT