RE: 5919 UNID photos

From: Ted Molczan (ssl3molcz@rogers.com)
Date: Wed Feb 13 2013 - 18:01:54 UTC

  • Next message: Andy Smith: "RE: 39083 decay"

    Björn Gimle wrote:
    
    > On Feb.11 I had unexpected(ly) clear weather in the evening, and in the
    > SE-SW where I wanted to photograph ! In one of the first images I got two
    > satellites side-by-side, but going in opposite directions. The bright one
    > is still unidentified.
    > (two pictures in my FaceBook album "Satellite tracks...")
    > 
    > 
    > I got three shots of the UNID. My IOD format observations are :
    > 93542 13 542DTV 5919 G 20130211173712000 27 25 0503266-124224 37 S+040 20
    > 93542 13 542DTV 5919 G 20130211173746000 18 25 0456167-063045 37 S+040 20
    > 93542 13 542DTV 5919 G 20130211173814000 18 25 0448315-000396 37 S+040 20
    > and my poor (RMS error 0.11 degrees) ElCor orbit is
    > 1 93542U 13542DTV 13042.86671981 .00019339 00000-0 97853-3 0 00
    > 2 93542 97.7675 77.0683 0047714 131.2935 281.5413 15.16042908 07
    > 
    > e and AOP would not converge, so they are small vs. arbitrary, so the elset
    > could be poorly predictive if the orbit is more eccenytric.
    
    Your first point closely matches the CZ-2D rocket body 05024B / 28738 in time and track, which is in an orbit similar to
    the one you computed. Your second point is close in track, but about 2 s too early. Your third point is less close in
    track and also about 2 s early.
    
    Ted Molczan
    
    
    _______________________________________________
    Seesat-l mailing list
    http://mailman.satobs.org/mailman/listinfo/seesat-l
    



    This archive was generated by hypermail 2b29 : Wed Feb 13 2013 - 18:02:39 UTC