RE: Second stage reentry

From: Ted Molczan (ssl3molcz@rogers.com)
Date: Fri Jan 20 2012 - 02:17:29 UTC

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    Jesus Leonardo Pacheco Fajardo asked:
    
    > When it will reentry the upper stage?? what is the perigee altitude of upper stage??
    
    Its perigee is 440 km, but its apogee is more than 60,000 km. Eventually, luni-solar perturbations will push it out of
    orbit. Once we know the final orbit after the CCAM (Collision and Contamination Avoidance Manoeuvre) and fuel dump, we
    can estimate very roughly when decay will occur.
    
    Ted Molczan
    
    
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