Re: Decaying Resurs-F1M Soyuz-U rocket

Alan Pickup (alan@wingar.demon.co.uk)
Thu, 20 Nov 1997 22:00:24 +0000

The latest elset from OIG for this object is:
Resurs-F1M Soyuz-U r                             164 x 144 km
1 25060U 97072B   97324.79123129  .14581297 -12650-5  36724-3 0   192
2 25060  82.3251 250.0037 0015635  86.3747 273.9035 16.44563742   380

This shows it running 2.5 seconds early against the "9010" evolution I
posted earlier today.

A new evolution predicts decay at about November 21.06 (~01:30 UTC) with
an uncertainty of one hour or so. The evolution runs:
Resurs-F1M Soyuz-U r                             158 x 140 km
1 25060U 97072B   97324.85202916  .15779152  20519+0  30461-3 0 90198
2 25060  82.3245 249.9292 0013719  86.1208 274.0361 16.46294434   390
Resurs-F1M Soyuz-U r                             151 x 136 km
1 25060U 97072B   97324.91277177  .20701741  38627+0  28886-3 0 90198
2 25060  82.3238 249.8546 0011490  85.8663 274.2650 16.48479498   400
Resurs-F1M Soyuz-U r                             141 x 130 km
1 25060U 97072B   97324.97341888  .31646773  10458+1  28599-3 0 90194
2 25060  82.3227 249.7798 0008711  85.6114 274.4881 16.51546556   410
Resurs-F1M Soyuz-U r                             123 x 117 km
1 25060U 97072B   97325.03391176  .90628480  13144+2  37625-3 0 90193
2 25060  82.3209 249.7047 0004443  85.3556 274.6951 16.57530977   429

The final rev above takes it northbound over the central Pacific near
the dateline and then southwards to the W of Iceland (01:16 UTC), the
extreme W of Africa (01.28), the equator at 13.5 deg W (01.32),
Ascension I (01.34) and towards the far S Atlantic. My guess is that
decay will occur on the southbound leg, perhaps over Ascension.

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