Oko-flasher (Cosmos 2217)

From: Rainer Kracht (R.Kracht@t-online.de)
Date: Mon Sep 22 2003 - 11:14:51 EDT

  • Next message: Björn Gimle: "Fw: Oko-flasher (Cosmos 2217)"

    I have observed flashes from Cosmos 2217 with
    the Mintron 12V1C-EX and lens 75 mm f/1.3
    each frame integrated for 0.64 seconds, gain about 9 dB.
    
    The satellite crossed the long side of the field of view (5.0 deg)
    from 2003 Sep 21 20:24:04.9 - 20:29:37.1 UTC.
    
    first flash recorded  20:24:11.7
    last flash recorded   20:29:35.5
    brightest flashes about 20:27 mag 4
    magnitude between flashes mag 10-11
    
    An image of the Sep 21 flashes is at
    http://home.t-online.de/home/R.Kracht/flashes.htm.
    
    The flashes appeared each night at the same spot in the sky
    and about four minutes earlier each day.
    
    PPAS
    92- 69 A 03-09-17 20:47:06   RK  289.3 0.3  41  7.06   mag 4->INV
    92- 69 A 03-09-18 20:33:24   RK  218.1 0.6  31  7.04   mag 4->INV
    92- 69 A 03-09-20 20:31:14   RK  225.0 0.2  32  7.03   mag 4->INV
    92- 69 A 03-09-20 20:34:24   RK  176.3 0.2  25  7.05   mag 4->INV
    92- 69 A 03-09-21 20:29:36   RK  323.8 0.3  46  7.04   mag 4->mag 10-11
    
    Cosmos 2217 is an Oko early-warning satellite in a Molniya orbit.
    
    92069A   
    1 22189U 92069A   03260.96580728 -.00000274  00000-0  00000+0 0  9324
    2 22189  67.0363 129.6414 6514051 240.6557  40.1409  2.00664599 79945
    
    
     Rainer
    
    Rainer Kracht
    Elmshorn, Germany
    Station 5005
    53.7695N 9.6626E  9m Potsdam Datum
    53.7679N 9.6614E 47m WGS84
    R.Kracht@t-online.de
    
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