Decay watch update: Christmas Day
Alan Pickup (alan@wingar.demon.co.uk)
Fri, 25 Dec 1998 19:22:00 +0000
A couple of new decay notices from OIG. The current list, now arranged
in decay date order:
Object Notice issued Predicted decay
UTC UTC
#25120 = Orbcomm 9 Pegasus r Dec 24 14:08 Dec 27 12:34 +-2d
#23539 = Brazilsat B2 Spelda Dec 25 12:33 Dec 28 10:15 +-2d
#25572 = MCO Delta 2 r1 Dec 23 11:58 Dec 30 05:42 +-4d
#25421 = Orbcomm 13 Pegasus r Dec 24 09:27 Jan 4 06:41 +-7d
#25532 = Iridium 2 Delta r Dec 25 10:47 Jan 6 08:19 +-7d
I still calculate a later decay for #25120, now December 28.4 +-0.7d.
Predicted elsets for this:
Orbc9 Pegasus r 1.3 1.0 0.0 7.0 d 251 x 195 km
1 25120U 97084J 98360.05353631 .02421915 27864-2 10800-2 0 94224
2 25120 44.9454 274.6128 0042355 162.7610 197.3832 16.18835706 56812
Orbc9 Pegasus r 1.3 1.0 0.0 7.0 d 241 x 191 km
1 25120U 97084J 98360.54676127 .02922782 41509-2 10882-2 0 94226
2 25120 44.9447 271.5221 0037705 166.0466 194.0579 16.21456421 56890
Orbc9 Pegasus r 1.3 1.0 0.0 7.0 d 228 x 186 km
1 25120U 97084J 98361.03910273 .03732804 72789-2 10929-2 0 94225
2 25120 44.9439 268.4239 0032404 169.3401 190.7288 16.24695849 56972
Alan
--
Alan Pickup | COSPAR 2707: 55d53m48.7s N 3d11m51.2s W 156m asl
Edinburgh | Home: alan@wingar.demon.co.uk +44 (0)131 477 9144
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