RE: geo sat in leo orbit

From: Ted Molczan (molczan@rogers.com)
Date: Tue Nov 26 2002 - 05:58:23 EST

  • Next message: Kevin Fetter: "Re: geo sat in leo orbit"

    Here are two more to add to Antonin's list of GEOs stranded in LEO that had happy endings. Both made use of the shuttle to effect
    on-orbit repairs:
    
    http://www-pao.ksc.nasa.gov/kscpao/chron/sts51-i.htm
    
    "Part of time spent retrieving, repairing and redeploying LEASAT-3, deployed on Mission 51-D." Unfortunately, a sister satellite
    launched on the same mission failed upon reaching GEO.
    
    http://www-pao.ksc.nasa.gov/kscpao/chron/sts-49.htm
    
    "Crew successfully captured and redeployed INTELSAT VI (F-3) satellite stranded in unusable orbit since launch aboard Titan rocket
    in March 1990."
    
    Unfortunately, most GEO's stranded in LEO cannot be salvaged. A dramatic recent example is Milstar 3:
    
    Milstar 3       15.0  4.5  4.5  3.5 v
    1 25724U 99023A   02325.51061905  .00000020  00000-0  25282-3 0    09
    2 25724  28.2220  56.4629 2131000  31.5941 328.4055  9.37432271    05
    
    Let us hope that something can be done for Astra 1K, though I doubt that the shuttle will be available.
    
    Ted Molczan
    
    
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