JN 9633 obs June 16, with PPA of 36591

From: Jim Nix (jim@sat-tracks.org)
Date: Wed Jun 16 2010 - 07:54:59 UTC

  • Next message: Russell Eberst: "2010JUN16.OBS"

    Hi,
    
    13844 83 008E   9633 F 20100616045505670 37 25 1902824+501429 48 S+075 10
    13844 83 008E   9633 F 20100616045529460 37 25 1904811+435590 98 S+075 10
    13844 83 008E   9633 F 20100616045536070 17 25 1905440+421078 98 S+075 10
    
    Notes:
    in order as obs above:
    Obs - Pred: 0.068 deg X-track; 3.713 s early, relative 24.25 day old elset:
    Obs - Pred: 0.082 deg X-track; 3.418 s early, relative 24.25 day old elset:
    Obs - Pred: 0.072 deg X-track; 3.414 s early, relative 24.25 day old elset:
    
    
    Photometric period 36591, CZ-3C R/B, chinese launch vehicle in molniya orbit.
    10-024 B 10-06-16 03:23:05.86JN 261.6 0.2   2 130.8 Min to min, 8.0 to inv
    10-024 B 10-06-16 03:44:40.29JN 274.1 0.2   2 137.0 min - min 7.5 to 10.4
    10-024 B 10-06-16 03:55:09.74JN 373.6 0.2   3 124.5 min - min  7.5 to 10.4
    
    This was interesting to observe/track as it began the "molniya" part of the
    orbit.  Over the course of the observations its velocity increased a little
    over 50% from 3.083 mps to 4.598 mps. (Not long afterward it hit 6.32 mps).
    It was running consistent with the latest elset.  Used SAO 99760 @ 8.1
    and several other 7.6's for magnitude comparisons. Limiting magnitude
    tonight was near 10.4.  Measured min to min.  Max's near 7.5 to 8.0.
    In earlier obs the min went inv for 15-20 secs. Later it was visible
    at limiting magnitude.
    
    Clear Skies ------------------------------------------------------
        |  Lewisville,TX  Lat:  33.02064N, Long:96.99822W, Alt. 153m 
        |       
    JIM |  Hazy  10.4       UTC:-5                    June 16 UTC
    NIX----------------------------------------------------------------
    
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