Stable Orbits in the Feeding Zone of the Planet Proxima Centauri c

S. I. Ipatov; Ипатов С. И.

doi:10.31857/S0320930X23030039

Stable Orbits in the Feeding Zone of the Planet Proxima Centauri c

Authors: Ipatov S.I.¹
Affiliations:
1. Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences, Moscow, Russia
Issue: Vol 57, No 3 (2023)
Pages: 248-261
Section: Articles
URL: https://journals.rcsi.science/0320-930X/article/view/134967
DOI: https://doi.org/10.31857/S0320930X23030039
EDN: https://elibrary.ru/HYSOIV
ID: 134967

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Abstract
About the authors
References
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Abstract

Estimates of the size of the feeding zone of the planet Proxima Centauri c have been made at initial orbital eccentricities of planetesimals equal to 0.02 or 0.15. The research is based on the results of modeling of the evolution of planetesimals’ orbits under the influence of the star and planets Proxima Centauri c and b. The considered time interval reached a billion years. It was found that after the accumulation of the planet Proxima Centauri c some planetesimals may have continued to move in stable elliptical orbits within its feeding zone, largely cleared of planetesimals. Usually such planetesimals can move in some resonances with the planet (Proxima Centauri c), for example, in the resonances 1 : 1 (as Jupiter Trojans), 5 : 4 and 3 : 4 and usually have small eccentricities. Some planetesimals that moved for a long time (1–2 million years) along chaotic orbits fell into the resonances 5 : 2 and 3 : 10 with the planet Proxima Centauri c and moved in them for at least tens of millions of years.

Keywords

Proxima Centauri, planetesimals, resonant orbits, planetary feeding zone

About the authors

S. I. Ipatov

Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences, Moscow, Russia

Author for correspondence.
Email: siipatov@hotmail.com
Россия, Москва

References

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