Formation of the inner Oort cloud in the presence of an early solar binary
Dennis Raush,
Konstantin Batygin
Abstract:Consistent with the notion that most Sun-like stars form in multistellar systems, this study explores the impact of a temporarily bound stellar binary companion on the early dynamical evolution of the Solar system. Using N-body simulations, we illustrate how such a companion markedly enhances the trapping of scattered bodies on inner Oort cloud-like orbits, with perihelion distances exceeding $q \gt 40$ au. We further find that the orbital geometry of the Sun-binary system plays a central role in regulating th… Show more
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