Re: ISS solar transit observed

From: Kevin Fetter (kevin_fetter@hotmail.com)
Date: Sun Feb 10 2002 - 22:40:17 EST

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    Ron also wrote
    
    Excellent prediction from Skymap.  Although it appeared to be slightly east 
    of predicted, it was within a second
    
    
    Here is the track of the transit path using two different elements for the 
    iss.
    
    Using this one
    
    ISS (ZARYA)
    1 25544U 98067A   02041.85885049  .00071929  00000-0  84319-3 0   564
    2 25544  51.6394 327.9939 0005902  56.0615  48.8276 15.60834110184323
    
    I get
    
    21:53:40   38.5578   -104.2760
    21:53:41   38.6123   -104.1972
    21:53:42   38.6668   -104.1182
    21:53:43   38.7214   -104.0390
    21:53:44   38.7760   -103.9595
    21:53:45   38.8306   -103.8798
    21:53:46   38.8852   -103.7998
    21:53:47   38.9398   -103.7197
    21:53:48   38.9945   -103.6393
    21:53:49   39.0491   -103.5586
    21:53:50   39.1038   -103.4777
    
    And with this one
    
    ISS (ZARYA)
    1 25544U 98067A   02041.51559028  .00071693  00000-0  84206-3 0   554
    2 25544  51.6396 329.7219 0005978  59.3409 275.5157 15.60784502184265
    
    I get
    
    
    21:53:40   38.5566   -104.2796
    21:53:41   38.6111   -104.2008
    21:53:42   38.6656   -104.1218
    21:53:43   38.7202   -104.0425
    21:53:44   38.7748   -103.9631
    21:53:45   38.8293   -103.8834
    21:53:46   38.8840   -103.8035
    21:53:47   38.9386   -103.7233
    21:53:48   38.9932   -103.6429
    21:53:49   39.0479   -103.5623
    21:53:50   39.1026   -103.4814
    
    So at the time of ron's observation I get the following change in the path.
    
    The path moved a distance of around 348 meters or 1140 ft.
    
    Kevin
    
    
    
    
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