Re: close encounter of the iridium kind

From: Rod Sladen (rod.sladen@gmail.com)
Date: Wed Dec 29 2010 - 10:36:42 UTC

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    Kevin Fetter <kfetter@yahoo.com> wrote:
    
    > Iridium 20 ( 25578 ) and Iridium 23 ( 24906 ) are somewhat close to each other.
    
    In early November 2010, Iridium 11 (originally 25577, 1998-074A, but
    currently labelled by Space-Track as 25578, 1998-074B), previously
    spare, was raised to the operational orbit, just a few seconds behind
    Iridium 23 (24906, 1997-043D). This suggested that Iridium 23 must
    have failed on station.
    
    See http://www.satobs.org/seesat/Nov-2010/0167.html
    
    However, Iridium 23 appears still to be under control and remains on
    station, so there may have been only a partial or temporary failure.
    The two satellites remain a few seconds apart.
    
    Orbital Plane 2 has no other spare satellite.
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