Decay watch: Mar 15 (Three Deltas)
Alan Pickup (alan@wingar.demon.co.uk)
Mon, 15 Mar 1999 21:33:19 +0000
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Object: #25472 = 98- 51 F = Iridium 82 Delta r
Decay prediction:
Source Prediction made Predicted decay at Latitude Longitude
UTC UTC deg deg
SpaceCom Mar 11 23:11 Mar 15 23:38 +-2d 9.8 N 26.2 E
SpaceCom Mar 13 01:12 Mar 15 22:58 +-2d 27.2 S 141.6 W
SpaceCom Mar 13 20:08 Mar 15 20:38 +-1d 5.9 S 69.7 E
SpaceCom Mar 14 20:11 Mar 15 20:36 +-15h 11.8 S 69.3 E
SpaceCom Mar 15 06:58 Mar 15 19:07 +-8h 17.0 S 91.1 E
SpaceCom Mar 15 12:51 Mar 15 19:21 +-4h 37.5 N 94.8 E
SpaceCom Mar 15 17:31 Mar 15 19:00 +-1h 46.4 S 87.9 E
SpaceCom Mar 15 19:46 Mar 15 19:06 +-30m 24.7 S 90.5 E
SatEvo Mar 9 22:45 Mar 15 12:33 +-2d
SatEvo Mar 10 23:45 Mar 14 23:57 +-1d
SatEvo Mar 11 20:30 Mar 15 02:10 +-1d
SatEvo Mar 12 17:00 Mar 15 13:16 +-18h
SatEvo Mar 14 18:00 Mar 15 16:28 +-10h 62.9 N 145.1 E
SatEvo Mar 15 21:00 Mar 15 18:55 +-30m 49.7 S 87.3 E
Final elset:
Iridm 82 Delta r 5.9 2.4 0.0 5.6 d 136 x 122 km
1 25472U 98051F 99074.73627531 .60417359 -15281-5 37407-3 0 3015
2 25472 83.3780 191.8362 0010862 280.1361 79.8458 16.54103266 29454
Note: I place decay in the S Indian Ocean, northbound towards an equator
crossing at 19:07 UTC at 92.0 deg E longitude.
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Object: #25166 = 98- 8 E = Globalstar 1 Delta r
Decay prediction:
Source Prediction made Predicted decay at Latitude Longitude
UTC UTC deg deg
SpaceCom Mar 9 20:05 Mar 16 07:53 +-4d 12.6 N 7.3 E
SpaceCom Mar 12 07:25 Mar 16 02:38 +-2d 3.6 N 105.1 W
SpaceCom Mar 13 09:27 Mar 16 09:56 +-2d 20.8 N 129.4 E
SpaceCom Mar 14 11:00 Mar 16 11:28 +-1d 6.4 N 117.7 E
SpaceCom Mar 15 07:41 Mar 16 06:40 +-15h 50.3 N 82.7 E
SpaceCom Mar 15 17:24 Mar 16 05:15 +-7h 52.3 N 118.3 E
SatEvo Mar 9 23:05 Mar 16 12:16 +-2.5d
SatEvo Mar 10 23:20 Mar 15 21:30 +-1.5d
SatEvo Mar 11 20:25 Mar 16 00:28 +-1.4d
SatEvo Mar 12 16:50 Mar 16 01:53 +-18h
SatEvo Mar 14 17:45 Mar 16 03:58 +-12h 24.9 N 144.3 W
SatEvo Mar 15 21:20 Mar 16 04:58 +-3h 25.4 N 62.1 E
Latest elset:
Gblstr 1 Dlt r 5.9 2.4 0.0 5.0 v 209 x 158 km
1 25166U 98008E 99074.65352949 .07473428 12665-4 85220-3 0 5116
2 25166 52.6526 291.9322 0039003 9.5924 350.5725 16.33329150 59059
SatEvo predicted elsets:
Gblstr 1 Dlt r 5.9 2.4 0.0 5.0 v 190 x 149 km
1 25166U 98008E 99074.89788260 .14181839 13241+0 71516-3 0 95119
2 25166 52.6511 290.5902 0030988 10.5216 349.5431 16.38692516 59091
Gblstr 1 Dlt r 5.9 2.4 0.0 5.0 v 174 x 142 km
1 25166U 98008E 99075.01970373 .21896962 32735+0 56793-3 0 95119
2 25166 52.6499 289.9165 0024966 10.9882 349.0662 16.42942782 59113
Gblstr 1 Dlt r 5.9 2.4 0.0 5.0 v 149 x 128 km
1 25166U 98008E 99075.14111094 .43822612 14153+1 39881-3 0 95119
2 25166 52.6480 289.2397 0015595 11.4569 348.5785 16.50323715 59139
Gblstr 1 Dlt r 5.9 2.4 0.0 5.0 v 115 x 107 km
1 25166U 98008E 99075.20152697 3.06071375 50000+2 74717-3 0 95113
2 25166 52.6467 288.8991 0005567 11.6929 348.3200 16.60812134 59149
Note: The latest elset shows it 33 seconds late on yesterday's
prediction.
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Object: #25607 = 99- 1 C = Mars Polar Lander Delta 2 r1
Decay prediction:
Source Prediction made Predicted decay at Latitude Longitude
UTC UTC deg deg
SpaceCom Mar 14 14:32 Mar 23 03:32 +-5d 12.3 N 67.2 W
SatEvo Mar 15 21:20 Mar 23 01:00 +-2d
Latest elset:
MPL Delta 2 r1 5.9 2.4 0.0 5.0 d 381 x 197 km
1 25607U 99001C 99074.68525635 .01426959 -10627-4 12823-2 0 1243
2 25607 25.8254 70.6266 0137438 15.4006 345.0708 15.94738007 11011
Note: This enters eclipse in the Earth's shadow while northbound near
17 deg N latitude at ~19h local time. Eclipse exit occurs while
southbound near the equator at ~05h local.
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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/