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19 April 2024

» arxiv » 2202.08616

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A numerical criterion evaluating the robustness of planetary architectures; applications to the $upsilon$ Andromedæ system
Ugo Locatelli ; Chiara Caracciolo ; Marco Sansottera ; Mara Volpi ;
Date:	17 Feb 2022
Abstract:	We revisit the problem of the existence of KAM tori in extrasolar planetary systems. Specifically, we consider the $upsilon$ Andromedæ system, by modelling it with a three-body problem. This preliminary study allows us to introduce a natural way to evaluate the robustness of the planetary orbits, which can be very easily implemented in numerical explorations. We apply our criterion to the problem of the choice of a suitable orbital configuration which exhibits strong stability properties and is compatible with the observational data that are available for the $upsilon$ Andromedæ system itself.
Source:	arXiv, 2202.08616
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