RE: Orbital manouevres in the dark

From: Ted Molczan (molczan@rogers.com)
Date: Fri Nov 26 2004 - 09:09:42 EST

  • Next message: satcom: "Re: Orbital manouevres in the dark"

    John and I have corresponded on this recently, but until this morning I had not
    looked at the problem closely. Now having done so, I believe I can explain what
    has happened.
    
    Eutelsat W3 (99018A / 25673) is indeed near 48 E. It began the year at 7 E. In
    early June, it began moving east, and arrived at about 53 E on Aug 20, whereupon
    it reversed course until about Sep 18, when it arrived at its present location,
    47.7 E.
    
    As of yesterday, the three sats nearest 21.5 E were:
    
    21803  1991-083A  Eutelsat II F-3  4.2  35772  35800   22.1 E
    26863  2001-029A  Artemis          3.2  35775  35800   21.5 E
    25515  1998-063A  Afristar         0.0  35773  35802   21.1 E
    
    My guess is that the carrier tests heard by John came from one of these three.
    
    Ted Molczan
    
    
    
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