Re: Optical 06 Nov 2011 Part 1

From: Mike McCants (mmccants@prismnet.com)
Date: Mon Nov 07 2011 - 14:45:04 UTC

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    Greg Roberts found an unknown on November 6.
    
    Object 90077 was last observed about one year ago.
    
    Unknown 070914
    1 90077U 07757A   10312.85160547 0.00000030  00000-0  17970-3 0    03
    2 90077  28.1664 158.6941 7175642   4.1966 359.5483  2.34871781    02
    
    A guess for the current orbit of 90077 using int2 is:
    
    1 90077U 07757A   11310.94540477 0.00007787  00000-0  27898-2 0    03
    2 90077  28.7488  20.5846 7195428 228.4209  42.9064  2.38102763    07
    
    This is quite close to the orbits derived from Greg's observations.
    So it certainly appears that Greg has recovered object 90077.
    
    Corresponding orbits for Greg's observations are:
    
    1 90077U 07757A   11310.82014815 0.00000000  00000-0  00000-0 0    07
    2 90077  28.7548  22.8713 7197932 224.3153  48.1372  2.37000000    07
    
    1 90077U 07757A   11310.82014815 0.00000000  00000-0  00000-0 0    07
    2 90077  28.7714  22.9057 7198784 223.9151  48.6140  2.40000000    05
    
    1 90077U 07757A   11310.82014815 0.00000000  00000-0  00000-0 0    07
    2 90077  28.7880  22.9400 7199890 223.5184  49.0875  2.43000000    05
    
    The object should be found somewhere in this range of three possibilities.
    
    Mike McCants
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