Unpredictable Iridium flare ?

From: Johannes Mueller (joh.mueller@regiomontanus.de)
Date: Mon May 01 2000 - 05:53:49 PDT

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    Hello,
    
    I received an obs-report which looked like a flare of an Iridium. Lasting 10
    sec, brightness estimated -1 to -3 mag, direction West, Height ~ 18 degrees.
    Time: 2000/4/26 at 19:43 UT. Location: 6d45m East, 49d20m North.
    
    I checked with Iridflar - nothing. More accidently I discovered that Iridium
    72 was exactly at that position fitting this observation very well. I checked
    again with Iridflar using lowest constraints - nothing.
    
    Is this behaviour the result of stopping attidude control and beginning of
    uncontrolled reentry?
    
    Regards
    
    Johannes
    
    Iridium 72       4.0  1.8  0.0  6.0 d  8.6       779 x 776 km
    1 25343U 98032B   00118.07486597 -.00000207  00000-0 -80853-4 0  2560
    2 25343  86.3987 319.8122 0002139  79.2384 280.9052 14.34216487101833
    
    
    
    
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