Decay watch: 2002 April 23

From: Alan Pickup (alan@wingar.demon.co.uk)
Date: Tue Apr 23 2002 - 18:36:32 EDT

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    A final update on the Tubsat N decay, plus my initial notice for 
    Starshine 2. Check my decay watch page for more.
    _____________________________________________________________________
    Object: #25389 = 98- 42 A = Tubsat N
    
    Final decay analyses:
    Source   Prediction made    Predicted decay at      Latitude Longitude
                    UTC                UTC                  deg      deg
    SpaceCom   Apr 22 22:08     Apr 22 18:53 +-49m       18.6 N    19.5 W
    SatEvo     Apr 22 20:05     Apr 22 18:55 +-30m       43.6 N    14.1 W
    
    Final elset:
    Tubsat N         0.5  0.5  0.0  9.0 d 0.27       137 x 128 km
    1 25389U 98042A   02112.72053695  .21305737 -27307-7  16620-3 0  1662
    2 25389  78.8379 109.6476 0007143 152.2943 208.7109 16.52619024210179
    
    Note: I put the decay northbound to the W of the Bay of Biscay following 
    the orbit for which the above elset applies.
    _____________________________________________________________________
    Object: #26996 = 01- 54 B = Starshine 2
    
    Decay predictions:
    Source   Prediction made    Predicted decay at      Latitude Longitude
                    UTC                UTC                  deg      deg
    SpaceCom   Apr 23 17:27     Apr 26 17:21 +-2d        18.4 S    10.0 E
    SatEvo     Apr 23 22:20     Apr 26 13:34 +-20h
    
    Latest elset:
    Starshine 2      0.5  0.0  0.0  9.5 d  0.5       209 x 201 km
    1 26996U 01054B   02113.69107085  .01833120  11984-4  59008-3 0  2099
    2 26996  51.6191 305.8586 0006164 213.5225 146.5249 16.25397951 20279
    
    SatEvo prediction: See Decay Watch page.
    
    Note: At present this enters eclipse while southbound near 12 deg S
    in the evening and leaves eclipse northbound near 16 deg S before
    dawn.
    _____________________________________________________________________
    
    
    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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