Tidal End States of Binary Asteroid Systems with a Nonspherical Component
Earth and Planetary Astrophysics
2014-02-05 v2
Abstract
We derive the locations of the fully synchronous end states of tidal evolution for binary asteroid systems having one spherical component and one oblate- or prolate-spheroid component. Departures from a spherical shape, at levels observed among binary asteroids, can result in the lack of a stable tidal end state for particular combinations of the system mass fraction and angular momentum, in which case the binary must collapse to contact. We illustrate our analytical results with near-Earth asteroids (8567) 1996 HW1, (66391) 1999 KW4, and 69230 Hermes.
Keywords
Cite
@article{arxiv.1312.0537,
title = {Tidal End States of Binary Asteroid Systems with a Nonspherical Component},
author = {Patrick A. Taylor and Jean-Luc Margot},
journal= {arXiv preprint arXiv:1312.0537},
year = {2014}
}
Comments
13 pages, 3 figures, published in Icarus