Decay watch: MSTI 2 & Zarya Proton rocket

Alan Pickup (alan@wingar.demon.co.uk)
Fri, 20 Nov 1998 20:03:34 +0000

The latest elsets for MSTI 2 and the new Zarya Proton rocket are:

MSTI 2           1.0  0.0  0.0  8.3 d            236 x 232 km
1 23101U 94028A   98324.58226686  .00689378  28199-3  54409-3 0  9009
2 23101  97.0185 169.1826 0003614 197.5991 162.5168 16.14697500257829
Zarya Proton r                                   317 x 178 km
1 25545U 98067B   98324.76687891  .01298610  11671-4  55684-3 0   145
2 25545  51.6063 165.7643 0105223  88.7882 272.5482 16.09752979    83

My current decay predictions are:

MSTI 2               November 29.1 +-1.7 day

Zarya Proton rocket  November 28.1 +-1.5 day
   I suspect that USSPACECOM's drag rates for this have been too high.

Predicted elsets:

MSTI 2           1.0  0.0  0.0  8.3 d            235 x 230 km
1 23101U 94028A   98325.01599584  .00693108  25139-3  52335-3 0 99000
2 23101  97.0183 169.6480 0003521 195.8369 164.1520 16.15254171257896
MSTI 2           1.0  0.0  0.0  8.3 d            231 x 226 km
1 23101U 94028A   98326.00680853  .00777589  32156-3  52948-3 0 99003
2 23101  97.0178 170.7126 0003297 191.8055 168.1867 16.16707921258052

Zarya Proton r                                   315 x 178 km
1 25545U 98067B   98325.01513006  .01103365  31872-3  46341-3 0 90145
2 25545  51.6061 164.4191 0103437  89.7938 271.3914 16.10249220   127
Zarya Proton r                                   303 x 176 km
1 25545U 98067B   98326.00735978  .01214476  43297-3  46711-3 0 90140
2 25545  51.6055 159.0316 0095968  93.8216 267.2762 16.12542918   287

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
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