USA 116 and 129 elements and observations

From: Ted Molczan (molczan@home.com)
Date: Mon Jul 17 2000 - 06:29:44 PDT

  • Next message: Eberst: "JUL16-17.OBS"

    I have updated the following elements, using observations by myself, David
    Brierley, Russell Eberst and Peter Wakelin, from 13 to 17 July UTC:
    
    USA 116         15.0  3.0  0.0  5.1 v
    1 23728U 95066A   00199.03659722  .00045057  00000-0  10222-2 0    04
    2 23728  97.8819 309.5338 0451926  94.7937 270.5244 14.77716646    06
    
    USA 129         15.0  3.0  0.0  5.1 v
    1 24680U 96072A   00199.07572338  .00030574  00000-0  44307-3 0    01
    2 24680  97.8821 261.3211 0499152 244.3019 110.5587 14.77422231    06
    
    Mean residuals of both elements are about 1 arc min.
    
    I observed the following points last night:
    
    24680 96 072A   2701 F 20000717020101010 17 25 1915960+190035 28 S
    24680 96 072A   2701 F 20000717020121760 17 25 1921527+253566 27 S
    24680 96 072A   2701 F 20000717020235810 17 25 1957228+505129 18 S
    
    My middle point has a much higher residual in the differential correction than
    the accuracy I reported. Perhaps a timing error. Perhaps I am too optimistic
    about my ability to estimate positions between stars 0.051 deg apart. I suspect
    its a bit of both.
    
    Ted Molczan
    
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