RE: NROL-49 search elements

From: Ted Molczan (ssl3molcz@rogers.com)
Date: Fri Jan 21 2011 - 21:59:06 UTC

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    Bob Christy made another radio obs on Jan 21, near 13:24 UTC, that revealed the object considerably
    late relative the 14.9 rev/d elset I posted last night.
    
    Here is a much revised solution, that roughly fits all three of Bob's observations:
    
                                                            251 X 1023 km
    1 72001U          11020.92423333  .00008395  00000-0  70000-4 0    02
    2 72001  97.9000 135.1447 0550000 185.0000 177.5000 14.76600000    00 
    
    If confirmed by subsequent observations, then it means that the launch vehicle inserted the
    spacecraft into the operational perigee height orbit, eliminating the need for the spacecraft to
    later raise the perigee.
    
    The orbit remains uncertain, so allow for large time and track errors.
    
    Ted Molczan
    
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