Re: Crunching Numbers

From: Tony Beresford (
Date: Wed Feb 02 2000 - 17:41:41 PST

  • Next message: Mike McCants: "Spacecom has again switched some of the 2000/004 objects."

    At 05:21 3/02/00 , wrote:
    >Also- Some [brighter?] satellites you follow, such as USA 129 or ETS-6: Where 
    >do you get the info. for these? 
    >                                        Thanks, -Ben 40.5770N, 73.9480W
     USA 129 available elements come from a few amateur orbital
    analysts processing observations from amateurs. At the moment
    USA 129 is only visible in the southern hemisphere and I seem to
    be the only observer of it. I have been assisted in the last
    few days by a canny estimate from Bjoern Gimle as to how
    much its orbit changed during last orbit adjustment.
    The orbital elements for ETS-6 are produced by US SPACECOM and
    distributed by the Orbit information Group ( OIG) at
    Goddard Spaceflight Center. You should find them in some
    of the collections of element sets Ralph has already mentioned.
    You will certainly find ETS-6 in Mike Mccants's alldat.tle
    file.Since I am a registered user at OIG I download the latest TLE
    for ETS-6 and other high flashers at least once a week, and make them
    available from my own website,
    ( ) as a short file( geoflsh.tle)
    Tony Beresford
    Adelaide, So. Australia
    34.9638S, 138.6333E
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