Decay Watch: 2002 May 10

From: Alan Pickup (alan@wingar.demon.co.uk)
Date: Fri May 10 2002 - 15:53:31 EDT


A summary of the updated notices from my Decay Watch page.
_____________________________________________________________________
Object: #2129 = 66- 26 B = P-35-15 Thor Altair rocket

Decay predictions:
Source   Prediction made    Predicted decay at      Latitude Longitude
                UTC                UTC                  deg      deg
SpaceCom   May 10 19:27     May 10 20:58 +-1h        16.5 N   120.2 W
SatEvo     May 10 19:45     May 10 21:03 +-90m       27.1 S   129.5 W

Latest elset:
P-35-15 r                                        176 x 152 km
1 02129U 66026B   02130.67726861  .17637967  30110-5  87832-3 0  8315
2 02129  98.1197 238.6385 0018034 267.6022 195.9598 16.40794275924609

SatEvo prediction:
P-35-15 r                                        159 x 141 km
1 02129U 66026B   02130.78153242  .33481844  94362+0  69026-3 0 98310
2 02129  98.1175 238.7731 0014067 267.1732  92.6658 16.45873770924621
P-35-15 r                                        142 x 129 km
1 02129U 66026B   02130.84224843  .72864647  61629+1  64198-3 0 98318
2 02129  98.1157 238.8521 0009854 266.9214  92.9658 16.51620861924631

Note: I have this decaying southbound over the SE Pacific on the
last of the SatEvo-predicted revs.
_____________________________________________________________________
Object: #5281 = 71- 52 A = Cosmos 426

Decay predictions:
Source   Prediction made    Predicted decay at      Latitude Longitude
                UTC                UTC                  deg      deg
SpaceCom   May 10 18:32     May 11 04:06 +-6h        42.7 N    30.7 W
SatEvo     May 10 19:30     May 11 04:40 +-4h        21.0 S   130.6 E

Latest elset:
Cosmos 426       1.8  1.5  0.0  7.2 d  3.8       186 x 150 km
1 05281U 71052A   02130.69924381  .07071503  20054-5  35093-3 0  6617
2 05281  73.8842 244.2896 0027956 255.5263 252.3548 16.39198146575590

SatEvo prediction:
Cosmos 426       1.8  1.5  0.0  7.2 d  3.8       179 x 145 km
1 05281U 71052A   02130.79612089  .10374818  63599-1  36116-3 0 96619
2 05281  73.8833 244.0447 0025853 255.2551 104.4583 16.41303328575613
Cosmos 426       1.8  1.5  0.0  7.2 d  3.8       156 x 132 km
1 05281U 71052A   02131.03950536  .21237152  35572+0  26733-3 0 96612
2 05281  73.8811 243.4258 0018421 254.5699 105.2265 16.48247670575654
Cosmos 426       1.8  1.5  0.0  7.2 d  3.8       146 x 126 km
1 05281U 71052A   02131.10015745  .31772703  92332+0  26588-3 0 96616
2 05281  73.8801 243.2703 0015196 254.3979 105.4343 16.51358644575669
Cosmos 426       1.8  1.5  0.0  7.2 d  3.8       127 x 114 km
1 05281U 71052A   02131.16066289  .81036122  63603+1  33281-3 0 96612
2 05281  73.8785 243.1144 0009448 254.2253 105.6705 16.57203690575676

Note: I predict that this will decay southbound over Australia on
the last of these orbits. The track takes it over Taiwan at 04:29,
then just E of Manila at 04:31, over Indonesia, W of Darwin,
Australia, at 04:38 and to the W of Adelaide at 04:44.
_____________________________________________________________________


Alan
-- 
Alan Pickup / COSPAR 2707:  55.8968N   3.1989W   +208m   (WGS84 datum)
Edinburgh  / SatEvo & elsets:    http://www.wingar.demon.co.uk/satevo/
Scotland  / Decay Watch: http://www.wingar.demon.co.uk/satevo/dkwatch/
          *

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