Decay watch: May 13
Alan Pickup (alan@wingar.demon.co.uk)
Thu, 13 May 1999 20:33:54 +0100
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Object: #25347 = 98- 32 F = Iridium 70 Delta 2 r
Decay predictions:
Source Prediction made Predicted decay at Latitude Longitude
UTC UTC deg deg
SpaceCom May 11 17:34 May 15 18:01 +-2d 18.5 S 124.9 E
SpaceCom May 12 19:49 May 15 18:13 +-2d 60.8 S 163.8 E
SpaceCom May 13 13:36 May 15 13:25 +-9h 19.8 S 69.2 E
SatEvo May 9 14:25 May 15 18:00 +-1.5d
SatEvo May 12 18:20 May 15 17:42 +-15h
SatEvo May 13 19:20 May 15 11:41 +-9h 30.0 N 88.7 E
Latest elset:
Iridm 70 Delta r 5.9 2.4 0.0 5.6 d 220 x 195 km
1 25347U 98032F 99133.68491684 .02755940 00000-0 98414-3 0 4619
2 25347 84.1056 321.7410 0019047 61.2840 299.1026 16.24506219 55978
SatEvo prediction:
Iridm 70 Delta r 5.9 2.4 0.0 5.6 d 212 x 189 km
1 25347U 98032F 99134.05420463 .03687320 70626-2 10675-2 0 94619
2 25347 84.1048 321.4027 0017377 59.7240 300.4479 16.27036071 56033
Iridm 70 Delta r 5.9 2.4 0.0 5.6 d 199 x 180 km
1 25347U 98032F 99134.54564132 .05113377 14117-1 10136-2 0 94617
2 25347 84.1032 320.9503 0014716 57.6383 302.5040 16.31278410 56114
Iridm 70 Delta r 5.9 2.4 0.0 5.6 d 179 x 164 km
1 25347U 98032F 99135.03550759 .09379446 51289-1 94925-3 0 94617
2 25347 84.1008 320.4959 0011023 55.5438 304.5603 16.37920993 56194
Note: The latest elset shows it running 10 seconds early against my
prediction of yesterday. I place decay on the approach to a
southbound equator crossing.
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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
Scotland | SatEvo page: http://www.wingar.demon.co.uk/satevo/