USA 102

From: Ed Cannon (ecannon@mail.utexas.edu)
Date: Thu Jul 26 2001 - 01:44:54 PDT

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    Recent obs of USA 102 (23031, 94-017B) have stirred up some 
    curiosity about it.  Two or three nights it displayed 
    tumbling Iridium-like very bright flashes, the next night I 
    couldn't find it.  The next night it was very easy, tumbling, 
    in binoculars (admittedly found by cheating -- looking over
    Mike McCants' telescope!); last night I couldn't find it!
    
    94-017 B 01-07-23 03:13:30.8 EC  112.4 0.3  18  6.25 
    
    USA 102, called Darpasat and TAOS, "Technology for Autonomous 
    Operational Survivability" -- described as "GPS receiver and 
    data processor technology tests"; information on this page, 
    including artist's rendering:
    
     http://samadhi.jpl.nasa.gov/msl/QuickLooks/taosQL.html
    
    Says it was 3-axis stabilized, so clearly "broken" now.  
    Design life was only one year.  Two pages with bibliography:
    
     http://gauss.gge.unb.ca/grads/sunil/missions.htm#darpasat
     http://www.friends-partners.org/mwade/craft/darpasat.htm
    
    Ed Cannon - ecannon@mail.utexas.edu - Austin, Texas, USA
    
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