Obs 15/16 Dec 2002

From: Greg Roberts (grr@iafrica.com)
Date: Mon Dec 16 2002 - 07:20:26 EST

  • Next message: paul: "8305pg obs 17dec ut"

    Observations made 16 Dec 2002
    --------------------------------------
    
    CoSaTrak 1, 85mm f/1.6 lens with 0.003 lux CCD surveillance camera.
              + 25mm f/1.4 lens with 0.01 lux surveillance camera
    
    Conditions - good- Seeing good
    
    Cospar Site #0433  Long 18.5129 E, Lat 33.9406 S, altitude 10 metres
    
    23728 95 066A   0433 G 20021216005452300 17 15 2154399-760251 39 S+065 05
    23728 95 066A   0433 G 20021216005525200 17 15 2337320-770118 39 S+057 05
    23728 95 066A   0433 G 20021216005541400 17 15 0036496-761835 39 S+053 05
    
    Notes:
    ~~~~~~
    (1) I made a fairly determined effort to locate USA 161 ( 01 044A) but
    had negative results. It was predicted to be at az 103.5, elevation
    31.1 at 23h25m UT 15 Dec so I did an orbit plane scan based on this.
    I started at 23h15m UT and ran through till 23h59m UT by which time
    the elevation had crept up to just under 60 degrees and did not see
    USA 161.  I tried again the next predicted pass but also saw nothing.
    As a result of this and previous attempts I am 99% certain that the
    satellite is no longer in the same orbit plane.   The elements used
    are about 100 days old  as this was the last time the satellite was
    observed.
    
    (2) USA 129 ( 96 072A ) is now starting observable passes at my
    location so I shall attempt to relocate it as it has not been
    observed for some time. I hate these satellites that go over in the
    am hours of the night :-))
    
    Cheers
    Greg
    
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