Prediction program & delta omega

From: Michael Waterman (mike.waterman@web-hq.com)
Date: Tue Dec 09 2003 - 17:24:34 EST

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    As Frank Reed said:
    >You can get excellent satellite position predictions by
    >including only three effects: precession of the node, precession
    >of the perigee, and decay of the semimajor axis.
    My program does this. It is currently in Qbasic, and for stable orbits 
    gives good predictions for several months. It allows for satellite 
    magnitude, taking sky brightness (due to sun and moon) into 
    consideration. It also calculates residuals from observations.
    
    BTW Robert Matson had an error in his posting on precession:
    >delta Omega is in deg/day
    it should be rad/day.
    
    Mike Waterman
    
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