2010A&A...513A..14S


C.D.S. - SIMBAD4 rel 1.7 - 2020.07.14CEST22:45:25

2010A&A...513A..14S - Astronomy and Astrophysics, volume 513, A14-14 (2010/4-1)

Order statistics and heavy-tailed distributions for planetary perturbations on Oort cloud comets.

STOICA R.S., LIU S., DAVYDOV Yu., FOUCHARD M., VIENNE A. and VALSECCHI G.B.

Abstract (from CDS):

This paper tackles important aspects of comet dynamics from a statistical point of view. Existing methodology uses numerical integration to compute planetary perturbations to simulate such dynamics. This operation is highly computational. It is reasonable to investigate a way in which a statistical simulation of the perturbations can be handled more easily. The first step to answer such a question is to provide a statistical study of these perturbations in order to determine their main features. The statistical tools used are order statistics and heavy-tailed distributions. The study carried out indicated a general pattern exhibited by the perturbations around the orbits of the planets. These characteristics were validated through statistical testing and a theoretical study based on the Oepik theory.

Abstract Copyright:

Journal keyword(s): methods: statistical - celestial mechanics - Oort Cloud

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2020.07.14-22:45:25

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