ISS orbit adjust ?

From: satcom (john@satcom.freeserve.co.uk)
Date: Wed Aug 03 2005 - 11:05:04 EDT

  • Next message: Russell Eberst: "2005AUG2-3.OBS"

    Hi all,
    
    
    Spent four hours this morning driving around the area chasing two solar 
    transits by ISS/Discovery.
    
    My first chance ( 1046 BST ) was a wipe out due to cloud , so I couldnt 
    check the predicted track ( had intended to use the first transit to check 
    the predictions, then the second , one orbit later , to capture small FOV 
    video )
    
    However the second pass happened through a clearing sky , but winds gusting 
    20 knots.(1221 BST )
    
    The track the spacecraft took on this transit was well south of the one I 
    expected ( in fact it was more like the track that the earlier transit would 
    have taken ).......and about 4 seconds late....so I suspect that somewhere 
    between me checking  the locations/timing etc this morning , using 
    Calsky.com , and arriving on scene , a slight adjustment took place.
    
    Anyone confirm this please ?
    
    Many thanks,
    
    John 
    
    
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