Re: CB Obs May 20/21, 2012

From: Mike McCants (mmccants@prismnet.com)
Date: Tue May 22 2012 - 01:12:30 UTC

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    Cees Bassa posted:
    
    >99999 99 999U   4553 F 20120520235450062 17 25 0218576+585283 37 S
    >99999 99 999U   4553 F 20120520235454859 17 25 0228379+580966 37 S
    >99999 99 999U   4553 F 20120520235459734 17 25 0237426+572426 37 S
    >99999 99 999U   4553 F 20120520235504219 17 25 0245056+564302 37 S
    
    Ted has suggested that this may be USA 224.
    
    >99998 99 998U   4553 F 20120521021330645 17 25 0442682+542189 37 S
    >99998 99 998U   4553 F 20120521021337442 17 25 0442387+551987 37 S
    >99998 99 998U   4553 F 20120521021347506 17 25 0441824+565071 37 S
    >99998 99 998U   4553 F 20120521021357365 17 25 0441188+582805 37 S
    
    This must be one of the three Helios objects that are nearly in the
    same plane.  Here is a guess:
    
    Helios 1A
    1 23605U 95033A   12142.07120048 0.00000200  00000-0  37920-4 0    08
    2 23605  98.1288  78.2064 0003000 259.1690 100.8309 14.64350000    00
    
    It could be Helios 2A instead.
    
    The mean motion is probably in the range from 14.637 to 14.645
    
    >99997 99 997U   4553 F 20120521022547412 17 25 0446973+551811 37 R
    >99997 99 997U   4553 F 20120521022556786 17 25 0445701+564401 37 R
    >99997 99 997U   4553 F 20120521022606026 17 25 0444316+581378 37 R
    
    This is matched by a new Spacecom elset for 12-25G.
    
    >38341 12 025E   4553 F 20120521022619745 17 25 0449461+553121 37 R
    >38341 12 025E   4553 F 20120521022630466 17 25 0448175+571167 37 R
    >38341 12 025E   4553 F 20120521022640988 17 25 0446761+585788 37 R
    
    This is matched by the current Spacecom elset for 12-25E.
    
    Mike McCants
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