X-37B OTV 1-1 updated elements

From: Ted Molczan (ssl3molcz@rogers.com)
Date: Thu Nov 04 2010 - 12:30:55 UTC

  • Next message: Brad Young: "BY Obs Nov 4 Part 2"

    The orbit resulting from the manoeuvres of 2010 Nov 01 UTC seems to be a bit eccentric, but it is
    based on few observations, so should be regarded as preliminary:
    
    X-37B OTV 1-1                                            281 X 357 km
    1 36514U 10015A   10308.09798589  .00002789  00000-0  10000-4 0    07
    2 36514  39.9879 239.3123 0056686 338.3274  21.5152 15.85025500    07
    Arc 20101103.1-1104.11 WRMS resid 0.024 totl 0.016 xtrk
    
    I used the following data from Derek Breit (site 8739) and Brad Young (site 8336).
    
    36514 10 015A   8739 G 20101103022810000 18 25 1757886+512030 28 S
    36514 10 015A   8336 G 20101104011059190 17 25 1532570+470275 58 S
    36514 10 015A   8739 G 20101104024029000 57 15 1544204+245547 18 S
    
    The orbit is reasonably consistent with less precise observations reported by Ed Light (site 8840).
    
    Barring further manoeuvres, predictions tonight should be accurate to within 10 s time, and 0.5 deg
    track.
    
    Ted Molczan
    
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