What is it about?
It is shown that Iochroma family lies between the two three-body resonances 3J-1M-3 and 5J 3S-2. In this paper, we have determined the position of these resonances and the boundary between them.We have included the orbital elements approximations which may be useful in the future study of the dynamics of the family. Additionally, we report on a new candidate member, namely asteroid 2016 UT3.
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Why is it important?
As it is known, the interaction between close resonances can lead to their overlapping and as a consequence, to the appearance of chaos. The Iochroma family is an interesting example of a system where the interaction between two resonances can produce a very complex dynamical behavior. It is interesting to compare different theoretic models for studying this compact dynamical group of asteroids. In the present paper, we made the first step in this direction: we have estimated the position of both resonances and the boundary between them.
Perspectives
The Iochroma family is an interesting example of a system where the interaction between two resonances can produce a very complex dynamical behavior. The future detailed study of this family is required. Another problem requiring further study is the resonances’ role in the origin of compact and young asteroid clusters and pairs.
Alexey E Rosaev
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This page is a summary of: The resonance perturbations of the (39991) Iochroma family, Celestial Mechanics and Dynamical Astronomy, October 2022, Springer Science + Business Media,
DOI: 10.1007/s10569-022-10104-5.
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