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Elliptical Orbits

  1. Feb 6, 2010 #1
    Can someone tell me what the formulas are for the x,y & z co-ordinates of a planet on its elliptical orbit of the sun?

    I don't mind astronomy terms (I'm no expert on them but have a basic knowledge and will look up and learn any I don't know).

    It's not homework, just something that's doing my head in!

    A tutorial or paper would help if that's less writing for you?

    Thank you.
  2. jcsd
  3. Feb 6, 2010 #2

    D H

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    Staff Emeritus
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    I have to leave for the airport in a short time, so no time for a write-up. However, google these terms:
    - true anomaly
    - elliptical anomaly
    - mean anomaly
    - Kepler's equation
    - orbital elements
  4. Feb 6, 2010 #3
    Cheers this is a good starting base for me.
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