Re: Predicted Shuttle TLE

From: Daniel Deak (dan.deak@sympatico.ca)
Date: Thu Jan 16 2003 - 21:49:58 EST

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    Hi all,
    
    I'm quite happy with the results from my first try at predicting elsets for the 
    Shuttle. It showed a quarter degree error in orbital plane position (RA of node) 
    and 2 min 35 sec in time (at first ascending node crossing), my prediction being 
    early compared to the real orbit. Here are the two elsets for comparison :
    
    STS-107 PREDICTED
    1 27650U 03003  A 03016.64520000  .00599256 +25000-5 +97131-3   00014
    2 27650 039.0238 229.0020 0013225 082.2063 277.9203 16.02230130000010
    
    STS-107 REAL
    1 27647U 03003A   03016.64683704  .00000000  00000-0  00000+0 0    13
    2 27647  39.0169 229.2417 0012696 352.7112   7.4097 15.97530540    04
    
    The main differences are the altitude (about 13 km higher for the real orbit) 
    and the position of the perigee along the orbit.
    
    Dan
    
    -- 
    Daniel Deak
    representant, projet spatial Starshine
    L'Avenir, Quebec
    
    COSPAR site 1747 : 45.7275N, 72.3526W, 191 m., UTC-5:00
    
    Site en francais sur les satellites:
    French-language satellite web site : http://www.obsat.com
    
    
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