Milstar 6 Centaur Observed

From: Michael McCants (mmccants@jump.net)
Date: Thu Apr 10 2003 - 14:02:35 EDT

  • Next message: Bill_T_Bard@raytheon.com: "Re: OIG Elset of STS 107 mystery object"

    I posted yesterday:
    
    >However, these elsets have orbital insertion at longitude 91 west.
    >Milstar 5 was at 94.3 west.  The nominal information for Milstar 4
    >said 99.5 west.  So there is still an uncertainty of up to 30 minutes
    >even if this fundamental node value is correct.
    
    After a long search, I found the Milstar 6 Centaur rocket about
    longitude 99.6 west.  It was tumbling from magnitude 9 to 10 with
    a period of 2.74 seconds.  It was observed for an hour from 04:30 UT
    until 05:30 UT April 10.  Because of cirrus clouds and moonlight,
    the search near its position for the payload was not successful.
    
    Elset from observations:
    
    Milstar 6 Cr
    1 27712U 03012B   03100.19501625 0.00000000  00000-0  00000-0 0    01
    2 27712   3.7100 306.6255 0001000 222.0000   0.0000  1.00674000    04
    
    Revised predicted elset for the Milstar 6 payload
    1 99991U          03098.83819000  .00000000  00000-0  00000-0 0    11
    2 99991   4.5000 309.0000 0001000   0.0000  87.7000  1.00274000    11
    
    Mike McCants
    Austin, TX
    
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