Re: FENGYUN 1C satellite and debris in 3D

From: Marco Langbroek (marco.langbroek@wanadoo.nl)
Date: Thu Jan 25 2007 - 18:38:27 EST

  • Next message: Bob Christy: "RE: FENGYUN 1C satellite and debris in 3D"

    Christian Kjśrnet wrote:
    
    > 1) Except for a couple of the debris objects, the inclinations of the debris
    > haven't changed much. That would indicate that the target satellite was hit
    > by a coplanar ASAT object, which would be the easiest trajectory anyway in
    > order to make a hit. Probably the ASAT object came from below and behind
    > with (much?) greater speed than the target. 
    
    It did not come from behind, but instead smacked it nearly head-on, coming from 
    the opposite direction as the target.
    
    > 5) I don't know the answer to the question whether the target satellite was
    > hit at perigee; 
    
    It happened at 22:26 UTC (11 Jan), some 11 minutes before perigee passage, but 
    the difference is a mere 7 km in altitude.
    
    See also: 
    http://www.aviationweek.com/aw/generic/story_channel.jsp?channel=space&id=news/aw012207p2.xml
    
    - Marco
    
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