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

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 continues 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 resonance 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 at least tens of millions of years.

13 pages, 11 figures

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Cited by in corpus (4)

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• Delivery of icy planetesimals to inner planets in the Proxima Centauri planetary system
• Motion of Planetesimals in the Hill Sphere of the Star Proxima Centauri
• Migration of celestial bodies in the Solar system and in several exoplanetary systems