Re: A flaring (mag -1.5) retrograde satellite to identify

From: Russell Eberst (eberst@blueyonder.co.uk)
Date: Thu Oct 23 2008 - 19:43:24 UTC

  • Next message: Ted Molczan: "TJM obs of 2008 Oct 24 UTC; updated 91017A elements"

    alain.figer@club-internet.fr wrote:
    >  Hi all,
    >
    >  
    >
    > Yesterday evening my attention was attracted at 18h 40.8 mn UT by a bright 
    > satellite near Polaris, challenging its brightness, and descending due North 
    > - slightly western to the north, the signature of a retrograde satellite. Its 
    > crossing in the sky was about the same as that of Cosmos 405 rocket I just 
    > observed a few minutes before (near 18h34 UT).
    >
    > However the sense of the pass (SN) was just reversed, as Cosmos 405 rocket 
    > (passing NS) is a 81.2 inclined satellite.
    >
    > Hence the estimated inclination of the retro satellite is to be roughly i 97-98.
    >
    > And it might have culminated  not far from ENE at altitude 72-80.
    >
    >  
    >
    > Its brightness was increasing and it flared briefly at about mag -1.5 at 18h 41m 
    > 02s.
    >
    >  
    >
    > Thanks for identifying this satellite, not listed in the H-A predictions for my 
    > site (listing for mag better than 5.0), since its magnitude must have been 
    > indicated as a mere  "?" by Chris Peat...
    >   
    Hi Alain,
    This was the Japanese rocket that launched IGS1-A and IGS1-B on 2003 
    March 28.
    The rocket is 2003-09C, with catalog no. 27700.
    
    regards
    Russell
    
    
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