GPS Rk low passes for Texas; Orion 3; Intercosmos 19

From: Ed Cannon (ecannon@mail.utexas.edu)
Date: Wed Dec 20 2000 - 23:25:03 PST

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    Please pardon the regionality -- For at least the next couple of 
    evenings (local time), Central to North Texas will be getting 
    very low passes (below 200 km or 125 miles) of the GPS 47 Delta 
    rocket body that is near decay.  It's #26606, 00-071B.  It will 
    be moving pretty fast and may be fairly bright (standard mag.
    +5.0 to +5.5, Quicksat intrinsic mag. +3.5 to +4.0).  Be sure to
    use same-day elements for your predictions!
    
    Orion 3 (25727, 99-24A) will make very good USA passes for at
    least the next couple of nights that are similar to previous 
    passes when it has done some very bright flashes (flash period 
    approx. 22 seconds).  I don't know if the geometry is really 
    right on these passes, but I plan to look if the weather permits.
    
    Not regional -- Monday evening local time here Intercosmos 19 
    (11285, 79-020A) exhibited three flashes and some other lesser
    variations that made me wonder if it was tumbling, but maybe
    they were just reflections off various flat spots as the angles
    changed during the pass, which was west of the zenith.
    
    Ed Cannon - ecannon@mail.utexas.edu - Austin, Texas, USA
    
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