Decay watch: May 1
Alan Pickup (alan@wingar.demon.co.uk)
Sat, 1 May 1999 22:11:41 +0100
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Object: #388 = 62- 39 D = FTV 3502 Scout r
Decay predictions:
Source Prediction made Predicted decay at Latitude Longitude
UTC UTC deg deg
SpaceCom Apr 27 00:20 May 3 18:06 +-4d 65.6 N 171.1 W
SpaceCom Apr 29 06:46 May 3 01:51 +-2d 79.5 N 38.4 E
SpaceCom Apr 29 22:12 May 2 22:42 +-2d 36.1 N 132.5 E
SpaceCom Apr 30 20:50 May 2 19:00 +-1d 30.7 S 9.2 E
SatEvo Apr 27 19:45 May 4 00:00 +-2d
SatEvo Apr 29 19:50 May 3 11:00 +-1d
SatEvo Apr 30 19:05 May 3 01:27 +-18h
SatEvo May 1 20:40 May 2 23:58 +-8h 0.0 118.6 E
Latest elset:
FTV3502 Scout r 1.5 0.5 0.0 6.5 d 213 x 205 km
1 00388U 62039D 99121.52799463 .03516004 31490-5 13820-2 0 7104
2 00388 98.5288 336.5319 0006157 274.2715 86.1602 16.23800889974231
SatEvo predictions:
FTV3502 Scout r 1.5 0.5 0.0 6.5 d 201 x 194 km
1 00388U 62039D 99122.02026264 .05320216 15451-1 14302-2 0 97102
2 00388 98.5272 337.1832 0005231 272.3170 87.6231 16.28276295974313
FTV3502 Scout r 1.5 0.5 0.0 6.5 d 181 x 176 km
1 00388U 62039D 99122.51098258 .09413908 49888-1 13116-2 0 97106
2 00388 98.5248 337.8373 0003967 270.3534 89.6011 16.35129554974398
FTV3502 Scout r 1.5 0.5 0.0 6.5 d 151 x 148 km
1 00388U 62039D 99122.87715075 .27927368 57220+0 67442-3 0 97107
2 00388 98.5211 338.3311 0002310 268.8706 91.1030 16.46339449974454
FTV3502 Scout r 1.5 0.5 0.0 6.5 d 138 x 136 km
1 00388U 62039D 99122.93786016 .51012021 21697+1 55653-3 0 97106
2 00388 98.5199 338.4140 0001769 268.6217 91.3581 16.50826318974467
Note: This was 10 sec early against yesterday's SatEvo prediction at
the epoch of the latest elset. I predict decay near a northbound
equator crossing over Indonesia.
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Object: #22583 = 93- 17 C = GPS 2-19 r1
Decay predictions:
Source Prediction made Predicted decay at Latitude Longitude
UTC UTC deg deg
SpaceCom May 1 00:39 May 4 22:14 +-2d 30.0 N 68.2 W
SatEvo Apr 30 19:15 May 4 21:00 +-2d
SatEvo May 1 20:55 May 5 00:55 +-2d
Latest elset:
GPS 2-19 r1 5.9 2.4 0.0 5.0 v 269 x 203 km
1 22583U 93017C 99121.22846570 .03194347 25846-5 19539-2 0 7714
2 22583 36.1400 101.3181 0050079 142.0619 218.3689 16.13913512328388
SatEvo prediction:
GPS 2-19 r1 5.9 2.4 0.0 5.0 v 258 x 198 km
1 22583U 93017C 99122.03181358 .02063318 18000-2 10279-2 0 97714
2 22583 36.1393 95.6117 0045551 150.0499 210.2114 16.16961258328519
GPS 2-19 r1 5.9 2.4 0.0 5.0 v 250 x 194 km
1 22583U 93017C 99122.52538767 .02373272 24375-2 10160-2 0 97712
2 22583 36.1388 92.0924 0042415 154.9764 205.2298 16.19143575328596
GPS 2-19 r1 5.9 2.4 0.0 5.0 v 241 x 189 km
1 22583U 93017C 99123.01824430 .02810171 35606-2 99920-3 0 97717
2 22583 36.1383 88.5662 0038944 159.9125 200.2412 16.21684897328670
Note: The latest elset is 15 hours old and has a drag term that I think
is too high. The prediction, as usual, is from an analysis combining
it with several earlier elsets.
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Object: #8755 = 76- 24 B = Cosmos 808 r
Decay predictions:
Source Prediction made Predicted decay at Latitude Longitude
UTC UTC deg deg
SatEvo Apr 28 21:00 May 9 19:00 +-3d
SatEvo Apr 30 19:10 May 7 23:00 +-2d
Latest elset:
Cosmos 808 r 3.8 2.6 0.0 5.1 v 234 x 224 km
1 08755U 76024B 99121.55843872 .00825721 43546-3 57183-3 0 2460
2 08755 81.2117 141.1193 0007055 172.8714 187.2516 16.16513212276715
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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/