Re: FENGYUN 1C satellite and debris in 3D

From: Marco Langbroek (
Date: Thu Jan 25 2007 - 18:38:27 EST

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    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:
    - Marco
    Dr Marco Langbroek  -  SatTrackCam Leiden, Cospar 4353
    Leiden, the Netherlands. 52.15412 N,  4.49081 E (WGS84), +0 m ASL
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