RE: Mystery Satellite Pair

From: Ted Molczan (ssl3molcz@rogers.com)
Date: Wed Jun 02 2010 - 11:54:47 UTC

  • Next message: David Tiller: "FW: Mystery Satellite Pair"

    Chris Zietkiewicz wrote:
    
    > I initially expected the task of identifying a two satellite formation
    > (linear with one trailing the other) to be a simple task due 
    > to the limited number of potential candidates but I am struggling to make 
    > the ID using HA.   Perhaps someone with a spare moment can show me the 
    > proper way to use HA to make an identification in situations like this. 
    
    I believe that you observed the NOSS 3-1 formation. The leading object is
    01040C / 26907; the trailer is 01040A / 26905. They should have been about
    mag 6.5 at az 60, and about 7.2 at az 100. 
    
    Official NOSS orbital elements are secret; however, they are routinely
    tracked by hobbyists; additional information about them is available here:
    
    http://www.satobs.org/noss.html
    
    Mike McCants produced the following elements, which are our most recent:
    
    1 26905U 01040A   10137.87084802  .00000010  00000-0  17152-4 0    00
    2 26905  63.4230 147.5705 0141000   0.5214 359.4786 13.40554857    03
    
    1 26907U 01040C   10137.87077139  .00000010  00000-0  17124-4 0    06
    2 26907  63.4273 147.3863 0143000 359.8001   0.1999 13.40554455    01
    
    Heavens-Above has our NOSS elements, but they were too faint to have been
    included in it's daily predictions for all satellites brighter than
    magnitude 3.5, 4.0 or 4.5, which is intended for satellites visible to the
    unaided eye. Calsky.com's Tracking/Identification feature may be useful for
    identifying fainter satellites; I have not tried it.
    
    If you can run 16-bit MS-DOS programs, then Mike McCants Findsat is
    excellent for identifying satellites:
    
    http://www.io.com/~mmccants/programs/findsat.zip
    
    My 16-bit MS-DOS program, IDSat is available here:
    
    http://www.satobs.org/programs/IdSat/IDSat.zip
    
    Ted Molczan
    
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