Abstract
The motion of an asteroid located near the 5/2 resonance is investigated using previously obtained mapping (Šidlichovský, Melendo, 1986) based on the method of Wisdom. Two modes of motion with low and high eccentricity were found. The transition between these two modes is possible. The chaotic zone is investigated using Liapunov characteristic exponents (LCE). The reliability time for trajectories in the chaotic region, where the roundoff error propagates exponentially is estimated with LCE as 1E6 years. The transition between the modes is discussed in terms of the Wisdom zone of uncertainty. As the eccentricity in the high eccentricity mode goes to e=0.4, the evidence for collisional removal of asteroids from the gap is provided.
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© 1988 Kluwer Academic Publishers
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Šidlichovský, M. (1988). On the Origin of 5/2 Kirkwood Gap. In: Valtonen, M.J. (eds) The Few Body Problem. Astrophysics and Space Science Library, vol 140. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-2917-3_17
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DOI: https://doi.org/10.1007/978-94-009-2917-3_17
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-010-7813-9
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