Updated elements

From: Ted Molczan (ssl3molcz@rogers.com)
Date: Tue Apr 14 2009 - 17:12:11 UTC

  • Next message: Greg Roberts: "Optical 12 April 2009-automatic"

    David Brierley, Russell Eberst, Bruce MacDonald, Alberto Rango, Greg Roberts,
    Viktor Voropaev, Mike Waterman and Brad Young contributed observations used to
    update the following elements.
    
    Vortex 6                                             31716 X 39878 km
    1 19976U 89035A   09102.34310988  .00000000  00000-0  00000-0 0    08
    2 19976   5.8789  11.8691 0967716 221.6561 130.4167  1.00238581    06
    Arc 2009 Mar 13.83 - Apr 12.84, WRMS residuals = 0.003 deg
    
    Lacrosse 2                                               635 X 644 km
    1 21147U 91017A   09103.08272201  .00000050  00000-0  72132-5 0    06
    2 21147  67.9810 199.1478 0006364 229.1752 130.8828 14.76148777    06
    Arc 2009 Apr 05.10 - 13.09, WRMS residuals = 0.038 deg
    
    USA 89 r                                                334 X 6734 km
    1 22519U 92086C   09103.87038881  .00001546  00000-0  18456-3 0    06
    2 22519  56.9070 116.5722 3228317   4.6897 357.7671  8.79666122    05
    Arc 2009 Apr 12.97 - 13.88, WRMS residuals = 0.020 deg
    
    Adv Orion 2                                          35561 X 36012 km
    1 25336U 98029A   09102.34644000  .00000000  00000-0  00000-0 0    03
    2 25336   7.8273  10.3208 0053493 240.2600 119.1114  1.00275139    06
    Arc 2009 Apr 01.77 - 12.82, WRMS residuals = 0.005 deg
    
    USA 186                                                 258 X 1013 km
    1 28888U 05042A   09103.86582228  .00008410  00000-0  78901-4 0    04
    2 28888  97.8950 167.7796 0537965  12.4389 348.9509 14.77195093    03
    Arc 2009 Apr 11.84 - 13.88, WRMS residuals = 0.064 deg
    
    USA 202                                              35735 X 35879 km
    1 33490U 09001A   09103.24665139  .00000000  00000-0  00000-0 0    01
    2 33490   2.8868 339.0819 0017020  90.5042 269.3106  1.00203703    09
    Arc 2009 Apr 08.91 - 14.01, WRMS residuals = 0.008 deg
    
    USA 202's most recent manoeuvre occurred on 2009 Apr 08, near perigee, about
    12:34 UTC. On April 13, USA 202 passed 48.5 E, drifting west 0.252 deg/d. I have
    discarded my epoch 09098.25721562 elset, because it is based on both pre and
    post manoeuvre observations. 
    
    99750A                                                2533 X 37675 km
    1 90004U 99750A   09104.25731937  .00000000  00000-0  00000-0 0    07
    2 90004  64.4893 227.0463 6635001 268.5653  20.6131  2.01442203    00
    Arc 2009 Mar 02.18 - Apr 14.27, WRMS residuals = 0.010 deg
    
    Ted Molczan
    
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