Lewis decay

Alan Pickup (alan@wingar.demon.co.uk)
Sun, 28 Sep 1997 22:09:29 +0100

The final elsets for Lewis are:
Lewis                                            160 x 145 km
1 24909U 97044A   97271.39753472  .13937589  27464-5  35667-3 0  1551
2 24909  97.5379 169.9050 0010985 195.0507 249.3045 16.45069874  5761
Lewis                                            134 x 124 km
1 24909U 97044A   97271.44411130  .76962935  35391-5  50335-3 0  1569
2 24909  97.5354 169.9687 0007458 214.6086 146.2240 16.53904023  5777
Lewis                                            143 x 124 km
1 24909U 97044A   97271.44398517  .34163710  27542-5  26357-3 0  1577
2 24909  97.5567 169.9361 0014370 167.9082 192.3664 16.52167013  5770

USSPACECOM suggest that re-entry came on the latter orbit at about 11:58
UTC near longitude 10 deg E, latitude 30 deg S, though they admit to
some uncertainty.

My SatEvo evolution has difficulty keeping it in orbit as far around
this final orbit as this - if it did survive the northbound equator
crossing at about 10:39, I would choose re-entry near the following
southbound crossing at 11:23 at longitude 172 deg E. The latter is also
close to the perigee point.

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