A discussion of the solution for the motion of Pluto |
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| Authors: | Paul E Nacozy Roger E Diehl |
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| Institution: | (1) The University of Texas at Austin, Austin, USA;(2) Present address: Jet Propulsion Laboratory, Pasadena, California, U.S.A. |
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| Abstract: | In a previous paper, a semi-analytical solution for the long-term motion of Pluto was presented. The present paper contains: (1) a comparison of the present solution with the solution by Williams and Benson; (2) a discussion of the effect of the near resonance between Pluto and Uranus; and, (3) a calculation of the librational period of the eccentricity, inclination and perihelion.The semi-analytical solution is shown to agree very closely with the long-term solution for Pluto obtained by Williams and Benson using numerical integration of the averaged equations of motion. A small difference between the two solutions is attributed to neglecting the eccentricity and inclination of Neptune in the semi-analytical solution. |
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