Re: Decay of 96- 54 B = Centaur r

Alan Pickup (alan@wingar.demon.co.uk)
Tue, 18 Mar 1997 09:58:39 +0000

In message <0EMDLIAOJFLzEwaB@wingar.demon.co.uk>, Alan Pickup
<alan@wingar.demon.co.uk> writes
>Further elsets have appeared from OIG:
>...
>Centaur r                                        1905 x 83 km
>1 24316U 96054B   97075.69174938  .99999999 -22514-4  22598-2 0   984
>2 24316  25.2364  83.4303 1235925 278.3181  67.8541 13.71681207  9116

...and later OIG published these:
Centaur r                                        1819 x 103 km
1 24316U 96054B   97075.73101966  .54240514 -33268-4  13626-2 0  1007
2 24316  25.2413  83.2081 1169116 276.2915 265.6411 13.80954968  9113
Centaur r                                        1643 x 90 km
1 24316U 96054B   97075.76412712  .99999999 -20985-4  37094-2 0  1020
2 24316  25.2297  83.0106 1071394 279.8556  68.6717 14.07936562  9120
Centaur r                                        1309 x 101 km
1 24316U 96054B   97075.83431465  .99999999 -75442-5  74374-2 0  1036
2 24316  25.2226  82.6064 0852521 277.8067  71.8537 14.56272524  9135

and I waited for more but none came :-(

Forcing a SatEvo evolution through the equator crossings for the elsets
for 97075.69, 97075.76 and 97075.83 yielded the following:
Centaur r                                        1904 x 95 km
1 24316U 96054B   97075.69175631 2.23842552  14937+1  41775-2 0 90988
2 24316  25.2364  83.4303 1225919 278.3182  67.9977 13.70091735  9113
Centaur r                                        1658 x 95 km
1 24316U 96054B   97075.76404090 2.62755912  22721+1  45018-2 0 90980
2 24316  25.2291  83.0162 1077204 279.0258  68.9606 14.05064530  9128
Centaur r                                        1384 x 95 km
1 24316U 96054B   97075.83445878 3.18833886  33091+1  48912-2 0 90984
2 24316  25.2207  82.5897 0905442 279.7547  70.1510 14.45826584  9134
Centaur r                                        1068 x 95 km
1 24316U 96054B   97075.90280353 4.17610436  76985+1  54661-2 0 90988
2 24316  25.2105  82.1478 0699396 280.5099  71.6911 14.95256135  9148
Centaur r                                        648 x 95 km
1 24316U 96054B   97075.96872633 7.57298237  40992+2  72001-2 0 90988
2 24316  25.2008  81.6842 0409623 281.3024  74.1239 15.65795223  9154

This suggests that it should survived the perigee at March 16.95. Decay
probably occurred near the next perigee over the S Central Pacific at
about March 17.017 (00.25 UTC)

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