RE: NROL-26 search elements

From: Ted Molczan (ssl3molcz@rogers.com)
Date: Thu Jan 15 2009 - 16:50:35 UTC

  • Next message: mike1@mgte.com: "Re: delta 4 heavy launch looks like it will be delayed"

    The launch is scheduled for 2009 Jan 16 at 00:41 UTC; the window is 4 hours.
    
    http://www.spaceflightnow.com/delta/d337/status.html
    
    Here are revised search elements:
    
    LEO coast                                                258 X 272 km
    1 70501U          09016.04594907  .00000000  00000-0  00000-0 0    00
    2 70501  27.2800 303.8300 0010000 183.0000 359.3500 16.05000000    01
     
    GTO burn at 1st descending node                        278 X 36398 km
    1 70502U          09016.25434953  .00000000  00000-0  00000-0 0    08
    2 70502  27.2800 303.7500 7307000 182.9000 167.5000  2.23480000    08
     
    GTO burn at 1st ascending node                         278 X 36398 km
    1 70503U          09016.07663612  .00000000  00000-0  00000-0 0    05
    2 70503  27.2800 303.5900 7307000   3.4000 359.6000  2.23480000    02
    
    I now believe that the GTO burn is likely to occur at the first descending node,
    in which case the 70502 orbit will apply; a more detailed discussion is
    available here:
    
    http://satobs.org/seesat/Jan-2009/0096.html
    
    Ted Molczan
    
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