Re: Decaying rockets, and large Mir debris

Alan Pickup (alan@wingar.demon.co.uk)
Thu, 10 Oct 1996 21:13:22 +0100

In message <325CB368.1B8A@tt-tech.se>, "Bjoern Gimle@tt-tech.se"
<bjorn@tt-tech.se> writes
>The following objects are due for decay.
>The first three are fairly large, according to NASA SSR08.
>
>From my decayers WWW page:
>23869 1.65  97.07 96031B   961011.81 961001 961015               
>      <a href="gif/23869.gif">(961010) MM plot</a>
>23689 .397  51.63 86017JL  961012.28 961004 961017         
>      <a href="gif/23689.gif">(961010) MM plot</a>
>21794 2.17  46.45 91079F   961019?          961010         
>      <a href="gif/21794.gif">(961010) MM plot</a>
>24434       82    94029SN                   961010
>...

The latest OIG elsets for these are:
MSTI-3 Pegasus r                                 176 x 169
1 23869U 96031B   96284.59425414  .04255007  00000-0  45868-3 0  1900
2 23869  97.0376 121.9855 0005770 312.2399  47.9075 16.37511147 23363
Mir debris JL                                    210 x 203
1 23689U 86017JL  96283.85011482  .02762804  11967-4  93099-3 0  3834
2 23689  51.6191 232.4108 0005063 163.6868 199.2937 16.24875924608366
SL-12 r aux motor                                927 x 114
1 21794U 91079F   96284.57488062  .06908128  00000-0  19449-3 0  3682
2 21794  46.3306 164.7856 0589293  94.6810 272.2277 15.15286423 95367
STEP-2 Pegasus deb                               406 x 369
1 24434U 94029SN  96283.86372445  .05640506  00000-0  57353-1 0   157
2 24434  82.1279  69.7059 0027821 206.6206 159.6699 15.60028410 17422

My latest predicted decay times are:

    #23869   October 11.15
    #23689           11.7
    #24434           11.95
    #21794           15

Here are two SatEvo predicted elsets for #23869 :
MSTI-3 Pegasus r                                 160 x 155
1 23869U 96031B   96284.89925420  .12208132  12933+0  54579-3 0 91906
2 23869  97.0358 122.3258 0003872 310.9553  49.0097 16.43269293 23415
MSTI-3 Pegasus r                                 140 x 137
1 23869U 96031B   96285.08162750  .34649838  12799+1  41364-3 0 91902
2 23869  97.0336 122.5309 0002012 310.1808  49.8016 16.50276727 23440

Alan
-- 
 Alan Pickup | COSPAR site 2707:  55d53m48.7s N   3d11m51.2s W  156m asl
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