Decay watch: Apr 9

Alan Pickup (alan@wingar.demon.co.uk)
Fri, 9 Apr 1999 23:45:38 +0100

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Object: #7418 = 74- 66 B = Cosmos 673 r

Decay predictions:
Source   Prediction made    Predicted decay at      Latitude Longitude
               UTC                UTC                  deg      deg

SpaceCom   Apr  3 14:52     Apr 11 18:14 +-5d        75.8 S    31.4 E
SpaceCom   Apr  6 22:50     Apr 13 21:52 +-4d        53.9 S   158.1 W
SpaceCom   Apr  9 17:46     Apr 13 17:32 +-2d        75.2 S    68.8 W

SatEvo     Apr  3 21:15     Apr 14 15:00 +-3d
SatEvo     Apr  5 21:30     Apr 14 15:00 +-2.5d
SatEvo     Apr  7 16:25     Apr 14 05:00 +-2d
SatEvo     Apr  9 21:50     Apr 13 13:05 +-1d        74.8 S     4.0 W

Latest elset:
Cosmos 673 r     3.8  2.6  0.0  5.1 v            223 x 208 km
1 07418U 74066B   99099.69749209  .01469289 -94678-6  68599-3 0  9513
2 07418  81.1906 184.2947 0011457 253.4679 106.5246 16.21522499357826
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Object: #14329 = 83- 94 B = Satcom 2 R Delta 1 r

Decay predictions:
Source   Prediction made    Predicted decay at      Latitude Longitude
               UTC                UTC                  deg      deg

SpaceCom   Apr  8 20:00     Apr 15 16:32 +-4d        17.9 S     6.4 E

SatEvo     Apr  9 21:45     Apr 15 14:00 +-1.5d

Latest elset:
Satcm2R Del 1 r  6.4  2.0  0.0  5.0 d            338 x 207 km
1 14329U 83094B   99099.37634435  .01315520 -11326-4  12679-2 0  9884
2 14329  25.4413 104.5498 0098862  24.6557 335.8820 16.00743155724760
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Object: #25496 = 96- 57 B = Hotbird 5 Centaur r

Decay predictions:
Source   Prediction made    Predicted decay at      Latitude Longitude
               UTC                UTC                  deg      deg

SatEvo     Apr  9 22:00     Apr 14 22:00 +-2.5d

Latest elset:
Hotbird 5 Centaur r                              13124 x 146 km
1 25496U 98057B   99097.51610406  .21031003  17920-5  35535-1 0  1901
2 25496  24.9178  98.5311 4986330 326.1881  10.7909  5.84879685  4772

Note: No elsets for a couple of days and SpaceCom warning yet. Perigee
should be close to the northbound equator crossing point by the time of
re-entry.
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Object: #25670 = 99- 17 B = DSP 19 Titan 4 r

Decay predictions:
Source   Prediction made    Predicted decay at      Latitude Longitude
               UTC                UTC                  deg      deg

SatEvo     Apr  9 22:30     Apr 10 18:00 ?

Latest elset:
DSP 19 Titan 4 r                                 757 x 190 km
1 25670U 99017B   99099.69590815  .23901670 -50262-5  32105-1 0    10
2 25670  28.6482 276.1523 0413879  73.9983 290.7631 15.30789974    00

Note: This is the first elset for this newly launched object. The
prediction is very uncertain, being based entirely on the high and
possibly erroneous drag rate above.
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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/