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. 2022 Mar 31;119(15):e2118692119. doi: 10.1073/pnas.2118692119

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Copyright © 2022 the Author(s). Published by PNAS.

This article is distributed under Creative Commons Attribution-NonCommercial-NoDerivatives License 4.0 (CC BY-NC-ND).

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Fig. 1. — Pluto’s orbital elements for 10 My computed with two different models: the three-body model of Sun, Neptune, and Pluto (–-NP; shown in dark red color) and the highest-fidelity model of Sun, Jupiter, Saturn, Uranus, Neptune, and Pluto (JSUNP; shown in blue). Pluto is treated as a massless object in all these models. From Top to Bottom, Left plots the semimajor axis, eccentricity, and inclination; Right plots the longitude of perihelion, ϖ, the longitude of ascending node, Ω, and the argument of perihelion, ω. The output interval for the plots is 2.5 Ky.