Constructing a Scenario for the Formation of the Emilkowalski Family Based on Modeling the Evolution of Nominal Orbits of Asteroids

IF 0.6 4区物理与天体物理 Q4 ASTRONOMY & ASTROPHYSICS

Solar System Research Pub Date : 2025-02-18 DOI:10.1134/S0038094624601403

E. D. Kuznetsov, V. S. Safronova, M. A. Vasilyeva, A. S. Perminov

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Abstract

In this paper, a scenario for the formation of the young Emilkowalski asteroid family was constructed based on numerical modeling of the evolution of nominal orbits of the family members. Various variants of the orbital evolution of asteroids were considered depending on the drift velocity of the semimajor axes of the orbits, caused by the influence of the diurnal Yarkovsky effect. Using the method of analyzing the approaches of nodes and pericenters of the orbits, estimates were obtained for the time of possible formation of all possible pairs among the family members. Based on these estimates, a scenario for the formation of the family was constructed, assuming the destruction of the parent body of the asteroid (14 627) Emilkowalski as the main mechanism. It is shown that some of the family members could have formed as a result of the cascading breakup of the parent asteroid’s daughter bodies. The constructed scenario for the formation of the Emilkowalski family can be described as a step-by-step destruction of the parent body of the asteroid (14 627) Emilkowalski with elements of cascading breakup of some fragments.

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来源期刊

Solar System Research 地学天文-天文与天体物理

CiteScore

1.60

自引率

33.30%

发文量

审稿时长

6-12 weeks

期刊介绍： Solar System Research publishes articles concerning the bodies of the Solar System, i.e., planets and their satellites, asteroids, comets, meteoric substances, and cosmic dust. The articles consider physics, dynamics and composition of these bodies, and techniques of their exploration. The journal addresses the problems of comparative planetology, physics of the planetary atmospheres and interiors, cosmochemistry, as well as planetary plasma environment and heliosphere, specifically those related to solar-planetary interactions. Attention is paid to studies of exoplanets and complex problems of the origin and evolution of planetary systems including the solar system, based on the results of astronomical observations, laboratory studies of meteorites, relevant theoretical approaches and mathematical modeling. Alongside with the original results of experimental and theoretical studies, the journal publishes scientific reviews in the field of planetary exploration, and notes on observational results.