Decay watch: 2002 April 4

From: Alan Pickup (alan@wingar.demon.co.uk)
Date: Thu Apr 04 2002 - 15:55:50 EST

  • Next message: Jonathan T Wojack: "Re: Interesting unid(s)"

    Another summary of my updated Decay Watch page:
    _____________________________________________________________________
    Object: #22780 = 93- 54 B = GPS 2-22 Delta 2 r
    
    Decay predictions:
    Source   Prediction made    Predicted decay at      Latitude Longitude
                    UTC                UTC                  deg      deg
    SpaceCom   Apr  4 06:13     Apr  5 06:38 +-15h       18.3 S    13.2 E
    SatEvo     Apr  4 20:45     Apr  5 06:15 +-3h         9.3 N    60.2 W
    
    Latest elset:
    GPS 2-22 r1      5.9  2.4  0.0  5.0 v   12       185 x 174 km
    1 22780U 93054B   02094.74843553  .06020283  00000-0  72710-3 0  5610
    2 22780  22.0139  75.0296 0008514 345.9051  14.1453 16.35014967474120
    
    SatEvo prediction: See Decay Watch page.
    (..ends)
    GPS 2-22 r1      5.9  2.4  0.0  5.0 v   12       148 x 142 km
    1 22780U 93054B   02095.17415290  .36821651  13027+1  65489-3 0 95619
    2 22780  22.0122  71.4321 0004358 352.3030   7.6903 16.47869620474193
    GPS 2-22 r1      5.9  2.4  0.0  5.0 v   12       127 x 124 km
    1 22780U 93054B   02095.23457250 1.10947461  12529+2  54836-3 0 95610
    2 22780  22.0115  70.9136 0002421 353.2252   6.7716 16.55155902474202
    
    Note: Like SpaceCom, I show this decay slipping later. I put re-entry
    southbound over Venezuela after a pass over Guadalajara, Mexico,
    at 06:04 UTC and close to Mexico City a minute later.
    _____________________________________________________________________
    Object: #23767 = 96-  2 D = Panamsat 3R Spelda
    
    Final decay analyses:
    Source   Prediction made    Predicted decay at      Latitude Longitude
                    UTC                UTC                  deg      deg
    SpaceCom   Apr  4 06:47     Apr  4 06:33 +-7m         7.0 S    53.0 W
    SatEvo     Apr  4 20:25     Apr  4 07:01 +-2h         4.3 N    58.8 E
    
    Final elset:
    Panamsat 3R Spelda                               422 x 136 km
    1 23767U 96002D   02094.03944932  .57231133 -32579-4  34319-2 0  7504
    2 23767   6.9689 312.7386 0214983  52.6378 309.8577 15.98506839 90230
    
    Note: I have this decaying northbound over the NW Indian Ocean
    soon after the equator crossing given by this SatEvo-predicted
    elset:
    Panamsat 3R Spelda                               165 x 113 km
    1 23767U 96002D   02094.28600839 6.53001702  50000+2  38871-2 0 97506
    2 23767   6.9671 310.5841 0040086  56.8989 303.4854 16.50112120 90275
    _____________________________________________________________________
    Object: #24645 = 96- 61 A = SAC-B/HETE + Pegasus rocket
    
    Decay predictions:
    Source   Prediction made    Predicted decay at      Latitude Longitude
                    UTC                UTC                  deg      deg
    SpaceCom   Apr  4 10:35     Apr  7 11:00 +-2d        11.3 S    81.3 W
    SatEvo     Apr  4 20:35     Apr  7 05:54 +-17h
    
    Latest elset:
    SAC-B/HETE + r   3.1  1.0  0.0  7.4 d  4.0       217 x 208 km
    1 24645U 96061A   02094.70681747  .01935406  00000-0  75292-3 0  1851
    2 24645  37.9460 312.7248 0006732 288.3099  71.7021 16.22777979302499
    
    SatEvo prediction: See Decay Watch page.
    _____________________________________________________________________
    
    
    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/
              *
    
    -----------------------------------------------------------------
    Unsubscribe from SeeSat-L by sending a message with 'unsubscribe'
    in the SUBJECT to SeeSat-L-request@lists.satellite.eu.org
    http://www.satellite.eu.org/seesat/seesatindex.html
    



    This archive was generated by hypermail 2b29 : Thu Apr 04 2002 - 15:57:16 EST