NOSS 3-3 Centaurr elements; payload manoeuvre alert

From: Ted Molczan (molczan@rogers.com)
Date: Wed Mar 02 2005 - 22:06:50 EST

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    The Centaur's rate of propulsive acceleration has increased a bit.
    
    NOSS 3-3 r       0.0  0.0  0.0  4.7 v
    1 28538U 05004B   05060.67864692  .00003265  00000-0  54145-2 0    04
    2 28538  63.8289  96.2832 0138935 176.5793 183.6220 13.42804214    02
    Arc 2005 Feb 19.20 - Mar 01.75, WRMS residuals = 0.008 deg
    
    Description of 2-line elements: http://www.satobs.org/element.html
    
    The latest reported observations of the payloads were made on Feb 28, at which
    time the trailer, 05004C, was closing in on 05004A, set to overtake it on 2005
    Mar 02, near 08:20 UTC. I believe that both likely manoeuvred well before that,
    before mid-day of Mar 01 UTC, leaving C trailing by no less than 8 s. If not,
    then by now, C, is well ahead of A.
    
    I believe that a manoeuvre lower was most likely, perhaps to about 13.406 rev/d,
    in which case, they would be about 1 min early per day since mid-day of Mar 01
    UTC.
    
    Ted Molczan
    
    
    
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