RE: what's the largest geo sat ever built

From: Stephan Szyman (szymanss@hotmail.com)
Date: Tue Jul 05 2005 - 13:52:44 EDT

  • Next message: Jens Wehrmann: "what's the largest geo sat ever built"

    >What's the largest geo sat ever built?
    
    I poked around on google,  I remembered this sea launch payload from april 
    26th,  spaceway 1 for DIRECTV, which has a mass of 13,376lbs (6067kg),  the 
    " heaviest commercial satellite to date:"
    
    http://www.californiaspaceauthority.org/html/press-releasesandletters/pr050427-2.html
    
    the  mass I found for thaicom 4 (iPSTAR-1) is given as "about 6700 kg" or 
    14,770 lbs;
    
    http://www.skyrocket.de/space/index_frame.htm?http://www.skyrocket.de/space/doc_sdat/ipstar-1.htm
    
    the heaviest MILSTAR payload I could find is given as 4537 kg (10,000 
    lbs),milstar 2-3:
    
    http://www.spaceandtech.com/digest/flash2002/flash2002-004.shtml
    
    there may be one more milstar which could outweigh milstar 2-3: Milstar 
    DFS-6 (USA 169)
    
    so currently spaceway 1 is the heaviest GEO.  (?)
    
    -stephan szyman
    41.6840N, 87.7000W  188M ASL
    
    
    >
    >To me it's the us military one's, called milstars. From what I can tell, 
    >milstars main body are
    >bigger then this one.
    >
    >Kevin
    >
    >--- Robert Holdsworth <robbonz1@xtra.co.nz> wrote:
    >
    > > Arianespace reports that THAICOM4 (IPSTAR) will be launched  from Kourou 
    >on
    > > 11 July on Ariane 5s with a launch window from 0640 to 0840 UTC.
    > >
    > > It will be the largest geosat ever built.
    > >
    > > There will be live video coverage from final countdown to insertion into 
    >geo
    > > transfer orbit at http://www.arianespace.com
    >
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