Elements of USA 129, Lacrosse 3 and DSP 23

From: Ted Molczan (ssl3molcz@rogers.com)
Date: Tue Jan 20 2009 - 18:42:22 UTC

  • Next message: Brad Young: "BY Obs Jan 20"

    It appears that USA 129 raised its orbit slightly, on or soon after Jan 13.
    
    USA 129         15.0  4.0  0.0  5.3 v
    1 24680U 96072A   09019.82759630  .00003165  00000-0  45053-4 0    02
    2 24680  97.8501  74.7679 0471277 208.9462 148.4860 14.83631426    00
    Arc 2009 Jan 13.77 - 19.84, WRMS residuals = 0.053 deg
    
    Tony Beresford's new observation of Lacrosse 3 on Jan 20, is consistent with the
    epoch Jan 18.36 elset below.
    
    Lacrosse 3      18.0  4.5  0.0  3.6 v
    1 25017U 97064A   09018.71932770  .00000067  00000-0  10725-4 0    00
    2 25017  57.0107 239.7000 0004390  85.8291 274.3235 14.71575059    07
    Arc 2008 Dec 28.74 - Jan 18.74, WRMS residuals = 0.035 deg
    
    DSP 23 was at 18.7 E at the elset epoch, drifting east 0.16 deg/d.
    
    DSP F23                         
    1 32287U 07054A   09018.36171677  .00000000  00000-0  00000-0 0    07
    2 32287   2.8718 266.5034 0002976   2.9680 357.2918  1.00318382    06
    Arc 2008 Dec 15.91 - Jan 18.79, WRMS residuals = 0.011 deg
    
    Ted Molczan
    
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