Decay watch: Apr 1 (Ir 11A S/D down)
Alan Pickup (alan@wingar.demon.co.uk)
Thu, 1 Apr 1999 22:35:25 +0100
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Object: #25580 = 98- 74 D = Iridium 11A Smart Dispenser
Decay predictions:
Source Prediction made Predicted decay at Latitude Longitude
UTC UTC deg deg
SpaceCom Mar 23 10:26 Apr 2 10:53 +-6d 50.3 S 25.0 W
SpaceCom Mar 25 22:20 Apr 1 20:34 +-4d 5.8 S 5.8 E
SpaceCom Mar 29 04:21 Apr 2 02:50 +-2d 78.2 N 70.0 W
SpaceCom Mar 30 00:40 Apr 1 19:21 +-2d 51.7 N 29.2 E
SpaceCom Mar 30 18:18 Apr 1 15:55 +-1d 70.1 S 65.9 E
SpaceCom Mar 31 14:55 Apr 1 14:19 +-14h 75.2 S 65.2 W
SpaceCom Apr 1 02:13 Apr 1 14:34 +-8h 40.6 S 93.3 E
SpaceCom Apr 1 06:12 Apr 1 12:40 +-4h 27.5 S 52.7 W
SpaceCom Apr 1 10:31 Apr 1 12:41 +-2h 31.9 S 52.6 W
SpaceCom Apr 1 14:22 Apr 1 12:29 +-21m 16.3 N 53.1 W
SatEvo Mar 23 20:40 Apr 2 00:00 +-2.5d
SatEvo Mar 25 23:40 Apr 2 00:00 +-1.5d
SatEvo Mar 29 21:00 Apr 1 23:26 +-16h 12.1 S 38.7 W
SatEvo Mar 30 19:25 Apr 1 16:03 +-10h 22.1 S 71.8 E
SatEvo Mar 31 19:10 Apr 1 15:07 +-6h 71.1 N 103.4 W
SatEvo Apr 1 22:25 Apr 1 12:37 +-40m 32.7 S 52.6 W
Final (?) elset:
Irid 11A S/D 4.0 2.0 0.0 5.5 d 151 x 124 km
1 25580U 98074D 99091.42964761 .27734558 -17031-5 23544-3 0 2246
2 25580 86.2999 143.7871 0021030 121.7361 238.8047 16.50835056 16180
Note: The narrow decay window indicated by SpaceCom suggests that
one further elset may yet appear.
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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/