Decay watch: 2002 July 7

From: Alan Pickup (alan@wingar.demon.co.uk)
Date: Sun Jul 07 2002 - 11:17:26 EDT

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     From my updated Decay Watch page: the final notices for the CONTOUR 
    Delta and the first for the PicoSat twins.
    _____________________________________________________________________
    Object: #26904 = 00- 42 C = PicoSat 7 & 8 (tethered)
    
    Decay predictions:
    Source   Prediction made    Predicted decay at      Latitude Longitude
                    UTC                UTC                  deg      deg
    SpaceCom   Jul  6 23:09     Jul 10 21:24 +-2d        82.0 S   168.4 E
    SatEvo     Jul  7 15:05     Jul 10 18:43 +-1d
    
    Latest elset:
    PicoSat 7&8                                      257 x 239 km
    1 26904U 00042C   02188.38663102  .00884649  44504-3  97353-3 0  4450
    2 26904  97.7415 307.1547 0014028 251.6451 108.3305 16.09560306 46581
    
    SatEvo prediction: See Decay Watch page.
    
    Note: Eclipse entry occurs deep over Antarctica with eclipse exit
    northbound near 51 deg N just after local midnight.
    _____________________________________________________________________
    Object: #27458 = 02- 34 B = CONTOUR Delta 2 r1 (2nd stage)
    
    Final analyses:
    Source   Prediction made    Predicted decay at      Latitude Longitude
                    UTC                UTC                  deg      deg
    SpaceCom   Jul  6 18:42     Jul  6 17:54 +-4h         8.3 S   176.5 E
    SatEvo     Jul  7 14:55     Jul  6 17:51 +-90m       11.4 S   178.0 W
    
    Final elset:
    CONTOUR Delta 2 r1 (2nd stage)                   187 x 148 km
    1 27458U 02034B   02187.46716173  .12233911 -57976-5  61058-3 0   208
    2 27458  29.5736 175.8360 0030000 349.4992  10.4978 16.39379378   514
    
    Note: The final elset shows it running 5 sec early against the
    prediction I posted earlier in the day. I have this decaying
    southbound over the Pacific to the NE of New Zealand. My predicted
    elset for the penultimate rev is:
    CONTOUR Delta 2 r1 (2nd stage)                   154 x 131 km
    1 27458U 02034B   02187.64932430  .50798408  30216+1  57650-3 0 90207
    2 27458  29.5720 174.3855 0016984 351.8193   8.1530 16.48808326   546
    _____________________________________________________________________
    
    
    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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