A decay across the USA at 08:27-08:31 now looks less likely, but..
Object: #25470 = 98- 51 D = Iridium 79
Decay predictions:
Source Prediction made Predicted decay at Latitude Longitude
UTC UTC deg deg
SpaceCom Nov 29 04:24 Nov 29 09:53 +-3h 76.6 N 123.8 W
SatEvo Nov 29 07:30 Nov 29 09:23 +-1h 0.0 79.8 E
Latest elset:
Iridium 79 tum 4.0 1.8 0.0 6.0 d 6.0 164 x 158 km
1 25470U 98051D 00334.20886140 .21658065 -13287-5 13811-2 0 8894
2 25470 85.9556 289.2790 0004591 112.0876 248.1609 16.41683963124328
SatEvo prediction:
Iridium 79 tum 4.0 1.8 0.0 6.0 d 6.0 156 x 151 km
1 25470U 98051D 00334.26973467 .30593780 76004+0 99829-3 0 98893
2 25470 85.9545 289.2397 0003975 111.8163 248.2260 16.44703193124336
Iridium 79 tum 4.0 1.8 0.0 6.0 d 6.0 142 x 138 km
1 25470U 98051D 00334.33049814 .57344058 34300+1 75237-3 0 98893
2 25470 85.9529 289.2003 0003016 111.5440 248.4881 16.49657950124349
Note: The latest elset has this 9 sec late against my previous
prediction. I now predict decay near the northbound equator crossing
at the end of the final SatEvo-predicted orbit, above. This places it
over the Indian Ocean just before it passes over Colombo, Sri Lanka.
Further around the orbit, and beyond SpaceCom's decay point over the
Arctic, is sweeps southwards across the USA from western Montana at
09:55 UTC to Phoenix, Arizona, at 09:58.
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/
*
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This archive was generated by hypermail 2b29 : Wed Nov 29 2000 - 14:11:26 PST