The satellites of Neptune and the origin of Pluto |
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| Authors: | RS Harrington TC Van Flandern |
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| Institution: | U.S. Naval Observatory, Washington, D.C. 20390, USA |
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| Abstract: | Pluto and the chaotic satellite system of Neptune may have originated from a single encounter of Neptune with a massive solar system body. A series of numerical experiments has been carried out to try to set limits on the circumstances of such an encounter. These experiments show that orbits very much like those of Pluto, Triton, and Nereid can result from a single close encounter of such a body with Neptune. The implied mass range and encounter velocities limit the source of the encountering body to a former trans-Neptunian planet in the 2- to 5-Earth-mass range. |
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