Updated elements

From: Ted Molczan (ssl3molcz@rogers.com)
Date: Wed Apr 22 2009 - 16:42:19 UTC

  • Next message: Brad Young: "BY Classfd Apr 22 Happy Earth Day"

    David Brierley, Scott Campbell, Russell Eberst, Marco Langbroek, Greg Roberts,
    Peter Wakelin, Mike Waterman and Brad Young, contributed observations used to
    determine one or more of the following element sets.
    
    Lacrosse 5 r                                             474 X 700 km
    1 28647U 05016B   09111.97696324  .00000332  00000-0  24202-4 0    02
    2 28647  56.9932 104.1455 0162276  60.5202 301.1907 14.93278529    03
    Arc 20090407.13-0421.99 WRMS resid 0.014 deg
    
    USA 189                                              34753 X 34790 km
    1 29242U 06024C   09111.65811963  .00000000  00000-0  00000-0 0    05
    2 29242   2.2570  75.7452 0004610 193.6253 166.5830  1.04008918    07
    Arc 20090220.18-0421.83 WRMS resid 0.006 deg
    
    USA 202                                              35730 X 35889 km
    1 33490U 09001A   09111.23150862  .00000000  00000-0  00000-0 0    01
    2 33490   2.8866 339.2479 0018785  91.0864 268.7547  1.00193508    01
    Arc 20090415.73-0421.75 WRMS resid 0.005 deg
    
    On Apr 20 UTC USA 202 passed through 46.25 E, drifting west 0.288 deg/d. If its
    destination is near 44 E, then I estimate that the manoeuvre to synchronize its
    mean motion with Earth's rotation would occur around Apr 28-30, near perigee,
    which is within a few minutes of 11:18 UTC.
    
    04539A                                                2490 X 37872 km
    1 90020U 04539A   09111.86800832  .00000000  00000-0  00000-0 0    02
    2 90020  64.3837 163.2216 6660841 249.8089  30.7318  2.00565365    00
    Arc 20090328.03-0421.87 WRMS resid 0.009 deg
    
    04764A                                               34647 X 37352 km
    1 90022U 04764A   09110.51531326  .00000000  00000-0  00000-0 0    04
    2 90022  13.9309  54.5676 0319149 282.5177  73.9075  0.99521881    06
    Arc 20090131.24-0420.91 WRMS resid 0.004 deg
    
    Ted Molczan
    
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    This archive was generated by hypermail 2b29 : Wed Apr 22 2009 - 16:43:06 UTC