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Gravitation(angular deflection of a planet from a massive star)

  1. Mar 26, 2013 #1
    i was just thinking , a planet comes close to a very massive star but doesn't collide .how can i calculate the its angular deflection.?

    i can calculate the velocity afterwards the deflection(given the initial and final perpendicular distances of its course from center of the star) using angular momentum principle,but how can i predict the behavior of the planet during such an event?

    i am considering the planets and stars to perfectly spherical.
    no idea how to start.
     
  2. jcsd
  3. Mar 26, 2013 #2

    mfb

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    Staff: Mentor

    You can calculate the "orbital" parameters (even if it is not a proper orbit). The motion is a solution of the Kepler problem (=google keyword).
     
  4. Mar 27, 2013 #3
    thanks.
     
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