RE: USA 116 elements

From: Brierley David (DMBRIERLEY@dera.gov.uk)
Date: Thu Aug 17 2000 - 01:31:56 PDT

  • Next message: Brierley David: "RE: USA144"

    Ted
    
    > USA 116         15.0  3.0  0.0  5.1 v
    > 1 23728U 95066A   00228.00518519  .00021036  00000-0  46995-3 0    00
    > 2 23728  97.8840 338.0218 0447931   0.2101 359.9361 14.78875287    00
    > 
    > I am not quite confident of the 95066A elements. During the analysis,
    > there was
    > some indication that the inclination and eccentricity had decreased.
    > This could
    > have been due to an erroneous point, or perhaps a manoeuvre. The
    > perigee had
    > been close to the equator, which would have been ideal for a
    > manoeuvre.
    > Additional observations will settle the question, but for now, my
    > solution
    > assumes no manoeuvre.
    > 
    I have an excellent orbit computed from observations between Aug 6 and
    15 which shows no sign of manoeuvre.  (Russell Eberst's observation of
    Aug 8 was rejected with a timing error of about 1 second, presumably due
    to a slight change in air density).
    
    USA 116                         4.3 v     
    1 23728U 95066A   00228.00517800 0.00019786  00000-0  45465-3 0    02
    2 23728  97.8790 338.0122 0444806   0.8016 359.3554 14.78870503    01
    
    David
    
    David M Brierley
    Malvern, Worcestershire, UK
    Station 2675, 52.1358N 2.3264W 70m
    davidbrierley@waitrose.com
    
    
    
    
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