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Orbit of the planet Pluto

  1. Dec 22, 2009 #1
    I understand that planets orbit follows a curve in spacetime created by the sun. Most of the planets follow the curve with seemingly a consistent radius. However Pluto follows an ellipse around the sun an appears to be inconsistent with the curve in spacetime created by the sun. Apologies if this is far too a simplistic question, but what gravitational forces are in play that cause Pluto’s ellipse orbit?

    Thanks in advance,

  2. jcsd
  3. Dec 22, 2009 #2


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    All planets orbit the Sun on elliptical orbits, Pluto's is just more elliptical than the others.

    Perhaps that is because it is a dwarf planet.

    It's orbit is also in a 3:2 mean motion resonance with Neptune's.

  4. Dec 22, 2009 #3
    pluto is no a planet.
  5. Dec 22, 2009 #4

    Vanadium 50

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    Can you show us the calculations where you derive this?
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