Corpus ID: 212657707

Dynamical instabilities in systems of multiple short-period planets are likely driven by secular chaos: a case study of Kepler-102.

@article{Volk2020DynamicalII,
title={Dynamical instabilities in systems of multiple short-period planets are likely driven by secular chaos: a case study of Kepler-102.},
author={Kathryn Volk and Renu Malhotra},
journal={arXiv: Earth and Planetary Astrophysics},
year={2020}
}
• Published 2020
• Physics
• arXiv: Earth and Planetary Astrophysics
• We investigated the dynamical stability of high-multiplicity Kepler and K2 planetary systems. Our numerical simulations find instabilities in $\sim20\%$ of the cases on a wide range of timescales (up to $5\times10^9$ orbits) and over an unexpectedly wide range of initial dynamical spacings. To identify the triggers of long-term instability in multi-planet systems, we investigated in detail the five-planet Kepler-102 system. Despite having several near-resonant period ratios, we find that mean… CONTINUE READING

Predicting the long-term stability of compact multiplanet systems

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