Abstract
We perform statistical wavelet analysis of the Main Belt asteroids, seeking statistically significant asteroid families. The goal is to test the new wavelet analysis algorithm and to compare its results with more traditional methods like the hierarchic clustering. We first consider several 1D distributions for various physical and orbital parameters of asteroids. Then, we consider three bivariate distributions for the three orbital parameters (a, e, i) taken pairwisely. The full 3D analysis of this space is not available here, but based on the 2D results we perform a disentangling of overlapped 2D families and derive a total of 44 3D families with confirmed statistical significance.
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Notes
Among them, the family W31 might refer to the Karin group (Nesvorný et al. 2002).
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Acknowledgements
RVB acknowledges the support of Russian Science Foundation Grant 18-12-00050 for the programming and asteroid data analysis work. EIR was supported by Russian Foundation for Basic Research Grant 17-02-00542 A for 3D interpretation of asteroid groups and for their cross-comparison with known asteroid families. The authors would like to express gratitude to the reviewers of the manuscript, Prof. Valerio Carruba and an anonymous one, for their useful comments and suggestions.
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Baluev, R.V., Rodionov, E.I. Analysing the Main Belt asteroid distributions by wavelets. Celest Mech Dyn Astr 132, 34 (2020). https://doi.org/10.1007/s10569-020-09976-2
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DOI: https://doi.org/10.1007/s10569-020-09976-2