Re: Extracting Long/Lat from TLE's

From: Bjoern Gimle (b_gimle@algonet.se)
Date: Sun May 27 2001 - 08:32:43 PDT

  • Next message: Allen Thomson: "Request for historical 8xxxx TLEs"

    >
    >       How would one go about extracting a satellite's longitude and
    > latitude from the TLE's? I realize that this will be a function of time
    > ...
    >       I am setting the stage for a mini-project involving the
    > photography of geosat constellations and would like to be able to
    > generate the above-mentioned results at a whim's notice so as to plan my
    > photo sessions and photo composition/framing.
    >
    
    In SkyMap, you can set your elevation to -6370000 (or -6370k), latitude to
    90 or -90, and longitude to 0, to get Earth centered predictions, then zoom
    in on each satellite to read its longitude and latitude. (This way you can
    also get ground track plots)
    
    But that hardly helps photography - just as well run predictions for your
    site, and read coordinates, or view star field around the interesting sats!
    
    
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