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Conference Paper

Did a stellar fly-by shape the outer solar system?

MPS-Authors

Pfalzner,  Susanne
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Bhandare,  Asmita
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Vincke,  Kirsten
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Lacerda,  Pedro
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

External Resource

https://ui.adsabs.harvard.edu/abs/2018EPSC...12...35P
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Citation

Pfalzner, S., Bhandare, A., Vincke, K., & Lacerda, P. (2018). Did a stellar fly-by shape the outer solar system? In European Planetary Science Congress.


Cite as: https://hdl.handle.net/21.11116/0000-0005-CBC8-5
Abstract
In contrast to the planets, the objects beyond Neptune mostly move on inclined, eccentric orbits. This implies that some process restructured the outer solar system after its formation. Here we show that a close fly-by of a neighbouring star could have caused these unexpected orbits. Our computer simulations show that such a scenario might be much more likely than previously assumed.