Updated elements

From: Ted Molczan (ssl3molcz@rogers.com)
Date: Mon Mar 09 2009 - 16:01:32 UTC

  • Next message: Derek C Breit: "RE: Updated elements"

    Tony Beresford, David Brierley, Scott Campbell, Russell Eberst, Peter Gertson,
    Steve Newcomb, Alberto Rango, Peter Wakelin, Mike Waterman and Brad Young made
    observations used in one or more of the following orbit determinations.
    
    The line following each element set states the duration of the underlying
    observational period, or "arc", and the WRMS (weighted average root mean square)
    residuals between the orbit and the observations; the smaller the value, the
    better. 
    
    USA 81                                                   784 X 788 km
    1 21949U 92023A   09067.81738691  .00000028  00000-0  10783-4 0    02
    2 21949  85.0109 108.8237 0002464 114.0805 246.0676 14.30827149    04
    Arc 2008 Dec 03.20 - Mar 08.83, WRMS residuals = 0.022 deg
    
    Lacrosse 3                                               652 X 660 km
    1 25017U 97064A   09067.76662164  .00000045  00000-0  72498-5 0    08
    2 25017  57.0089  50.8490 0005877  98.7418 261.4270 14.71579107    00
    Arc 2009 Feb 09.20 - Mar 08.78, WRMS residuals = 0.030 deg
    
    06829A                                                 284 X 12177 km
    1 90070U 06829A   09067.82918689  .00005375  00000-0  54322-3 0    06
    2 90070  27.4543  44.8648 4715959   8.3850 357.3098  6.13439347    06
    Arc 2009 Feb 28.85 - Mar 08.84, WRMS residuals = 0.026 deg
    
    Ted Molczan
    
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