Decay watch: May 22

Alan Pickup (alan@wingar.demon.co.uk)
Sat, 22 May 1999 12:33:50 +0100

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Object: #25741 = 99- 27 B = Nimiq 1 Proton r

Decay predictions:
Source   Prediction made    Predicted decay at      Latitude Longitude
               UTC                UTC                  deg      deg

SpaceCom   May 21 08:04     May 22 23:52 +-1d        43.9 S    73.5 W
SpaceCom   May 22 00:36     May 22 21:33 +-13h       51.7 N    99.2 E
SpaceCom   May 22 08:49     May 22 21:04 +-8h        24.4 S     2.3 W

SatEvo     May 21 19:45     May 22 23:43 +-7h        51.2 S   100.4 W
SatEvo     May 22 11:25     May 22 22:50 +-3h        42.1 N    36.2 E

Latest elset:
Nimiq 1 Proton r                                 184 x 140 km
1 25741U 99027B   99142.33524918  .06055829  12459-4  15690-3 0   126
2 25741  51.6014 217.0992 0033541 275.3501  84.3753 16.41600676   239

SatEvo prediction:
Nimiq 1 Proton r                                 173 x 135 km
1 25741U 99027B   99142.51771031  .08719967  55286-1  15602-3 0 90122
2 25741  51.6006 216.0627 0029261 276.1252  83.5414 16.44354872   265
Nimiq 1 Proton r                                 153 x 125 km
1 25741U 99027B   99142.76042857  .17283407  25197+0  14792-3 0 90126
2 25741  51.5991 214.6761 0020890 277.1623  82.6001 16.50147777   300
Nimiq 1 Proton r                                 132 x 114 km
1 25741U 99027B   99142.88136385  .38149822  11446+1  15695-3 0 90120
2 25741  51.5975 213.9794 0013364 277.6834  82.1648 16.56206759   323
Nimiq 1 Proton r                                 106 x 98 km
1 25741U 99027B   99142.94160156 1.72340934  34555+2  28580-3 0 90120
2 25741  51.5960 213.6291 0005752 277.9454  81.9892 16.64257972   330

Note: The latest elset shows this running 1.5 seconds late against 
the prediction I posted here yesterday. I put decay while northbound
following an equator crossing at 5.5 deg W at 22:36 UTC. 
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Alan
-- 
 Alan Pickup | COSPAR 2707:   55d53m48.7s N   3d11m51.2s W   156m asl
 Edinburgh   | Home:   alan@wingar.demon.co.uk    +44 (0)131 477 9144
 Scotland    | SatEvo page:     http://www.wingar.demon.co.uk/satevo/