Re: #12986 (SL-6 r2) decay

Bjoern Gimle@tt-tech.se (Gimle@tt-tech.se")
Tue, 20 May 1997 11:55:52 +0200

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New elsets for this decaying obect Tuesday morning:

The latest set =
1 12986U 81113D   97140.10554482  .72187832  10326-4  97541-3 0  9195
2 12986  62.3615  98.4931 2178192 266.2179  68.9506 11.57312978117083
Element set number = 1
1 12986U 81113D   97140.01856594  .06118077  11481-4  10000-3 0  9161
2 12986  62.3468  98.6387 2221110 265.9275  68.9842 11.46999823117078
Element set number = 2
1 12986U 81113D   97140.01849481  .27522231  10976-4  30000-3 0  9173
2 12986  62.3606  98.6527 2229117 265.9195  68.6098 11.47058293117061
Element set number = 4
1 12986U 81113D   97139.93031819  .11021179  10984-4  10000-3 0  9142
2 12986  62.3491  98.8971 2294772 265.6786  68.1332 11.33403401117055

Mean motion is relatively consistent, and I estimated ndot2 for
the middle elset and used Alan's SatEvo to give an alternative
evolution, with decay 97141.68 UT :
Improved number = 2
1 12986U 81113D   97140.01849481 0.682247    10976-4  30000-3 0  9173
2 12986  62.3606  98.6527 2229117 265.9195  68.6098 11.47058293117061

Improved number = 2                              3189 x 76 km
1 12986U 81113D   97140.44369421  .82796493  12952+0  80287-3 0 99177
2 12986  62.3218  97.7445 1943344 265.9953  71.7056 12.10910008117112
Improved number = 2                              3068 x 76 km
1 12986U 81113D   97140.52596582  .86176551  14430+0  81444-3 0 99176
2 12986  62.3141  97.5572 1881822 266.0112  72.3942 12.24806514117120
Improved number = 2                              2945 x 76 km
1 12986U 81113D   97140.60729982  .89923800  16201+0  82744-3 0 99179
2 12986  62.3062  97.3680 1818683 266.0274  73.1007 12.39123478117133
Improved number = 2                              2821 x 76 km
1 12986U 81113D   97140.68768925  .94107645  18352+0  84217-3 0 99170
2 12986  62.2981  97.1766 1753725 266.0440  73.8283 12.53910667117149
Improved number = 2                              2695 x 76 km
1 12986U 81113D   97140.76712509  .98816822  21004+0  85898-3 0 99178
2 12986  62.2897  96.9830 1686706 266.0608  74.5805 12.69227450117151
Improved number = 2                              2566 x 76 km
1 12986U 81113D   97140.84559585 1.04166734  24336+0  87824-3 0 99170
2 12986  62.2809  96.7870 1617339 266.0780  75.3594 12.85145590117160
Improved number = 2                              2435 x 76 km
1 12986U 81113D   97140.92308713 1.10310398  28614+0  90035-3 0 99179
2 12986  62.2718  96.5886 1545274 266.0955  76.1689 13.01753160117178
Improved number = 2                              2300 x 76 km
1 12986U 81113D   97140.99958094 1.17455197  34255+0  92565-3 0 99171
2 12986  62.2622  96.3875 1470075 266.1134  77.0129 13.19160202117182
Improved number = 2                              2162 x 76 km
1 12986U 81113D   97141.07505495 1.25900627  40832+0  95596-3 0 99171
2 12986  62.2545  96.1837 1391160 266.1317  77.9023 13.37507164117197
Improved number = 2                              2018 x 76 km
1 12986U 81113D   97141.14948113 1.36066890  51248+0  99134-3 0 99179
2 12986  62.2439  95.9768 1307820 266.1503  78.8404 13.56977864117200
Improved number = 2                              1868 x 76 km
1 12986U 81113D   97141.22282422 1.48616683  64425+0  10352-2 0 99171
2 12986  62.2351  95.7666 1219027 266.1695  79.8399 13.77820787117210
Improved number = 2                              1709 x 76 km
1 12986U 81113D   97141.29503886 1.64586022  84100+0  10891-2 0 99179
2 12986  62.2257  95.5529 1123413 266.1891  80.9209 14.00385334117227
Improved number = 2                              1540 x 76 km
1 12986U 81113D   97141.36606566 1.85790312  11571+1  11581-2 0 99178
2 12986  62.2154  95.3352 1018904 266.2092  82.1017 14.25189454117231
Improved number = 2                              1357 x 76 km
1 12986U 81113D   97141.43582488 2.11288760  14123+1  12261-2 0 99173
2 12986  62.2040  95.1129 0903188 266.2299  83.4106 14.52820935117240
Improved number = 2                              1157 x 76 km
1 12986U 81113D   97141.50422225 2.48755639  23232+1  13209-2 0 99171
2 12986  62.1911  94.8853 0773159 266.2514  84.8831 14.84076321117257
Improved number = 2                              929 x 76 km
1 12986U 81113D   97141.57112449 3.13818796  47162+1  14726-2 0 99172
2 12986  62.1758  94.6515 0619770 266.2736  86.6233 15.21236415117264
Improved number = 2                              637 x 76 km
1 12986U 81113D   97141.63629527 4.90250680  17180+2  18416-2 0 99175
2 12986  62.1618  94.4093 0417019 266.2969  88.9261 15.70867986117272

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Next message: Ron Lee: "Attempted #12986 Obs, 20 May 97"
Previous message: Bjoern Gimle@tt-tech.se: "Re: #24806 (Cosmos 2343 r) decay"
Maybe in reply to: Alan Pickup: "#12986 (SL-6 r2) decay"
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