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Secular evolution of asteroid families: the role of Ceres

Published online by Cambridge University Press:  01 March 2016

Bojan Novaković ,
Georgios Tsirvoulis ,
Stefano Marò ,
Vladimir Đošović  and
Clara Maurel
Bojan Novaković
Affiliation:
Department of Astronomy, Faculty of Mathematics, University of Belgrade, Studentski trg 16, 11000 Belgrade, Serbia email: [email protected]
Georgios Tsirvoulis
Affiliation:
Astronomical Observatory, Volgina 7, 11060 Belgrade 38, Serbia
Stefano Marò
Affiliation:
Dipartimento di Matematica, Università di Pisa, Largo B. Pontecorvo 5, 56127 Pisa, Italy
Vladimir Đošović
Affiliation:
Department of Astronomy, Faculty of Mathematics, University of Belgrade, Studentski trg 16, 11000 Belgrade, Serbia email: [email protected]
Clara Maurel
Affiliation:
Institut Supérieur de l'aéronautique et de l'Espace (ISAE-Supaéro), University of Toulouse, 31055 Toulouse Cedex 4, France
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Abstract

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We consider the role of the dwarf planet Ceres on the secular dynamics of the asteroid main belt. Specifically, we examine the post impact evolution of asteroid families due to the interaction of their members with the linear nodal secular resonance with Ceres. First, we find the location of this resonance and identify which asteroid families are crossed by its path. Next, we summarize our results for three asteroid families, namely (1726) Hoffmeister, (1128) Astrid and (1521) Seinajoki which have irregular distributions of their members in the proper elements space, indicative of the effect of the resonance. We confirm this by performing a set of numerical simulations, showcasing that the perturbing action of Ceres through its linear nodal secular resonance is essential to reproduce the actual shape of the families.

Keywords

celestial mechanicsminor planetsasteroidsasteroid familiestransport mechanisms
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 10 , Issue S318: Asteroids: New Observations, New Models , August 2015 , pp. 46 - 54
Copyright
Copyright © International Astronomical Union 2016 

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