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Aphelion
Introduction References & Edit History Related Topics
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Diagram showing Earth's elliptical orbit around the Sun with labeled points for aphelion, perihelion, solstices, and equinoxes, and distances from the Sun at aphelion and perihelion. A diagram of a planet's elliptical orbit around the Sun, labeled with key points: A for aphelion, B for perihelion, C for the center, S for the Sun, P for the planet, V for true anomaly, and E for eccentric anomaly, with lines and angles illustrating their relationships.
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The orbits of the planets and other elements of the solar system, including asteroids, Kuiper belt, Oort cloud, comet
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Aphelion: References & Edit History

Article Contributors

Primary Contributors

  • The Editors of Encyclopaedia Britannica
    Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.

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Article History

Type Description Contributor Date
Article title updated for style. Nov 09, 2026
Article revised and updated. Feb 13, 2026
Add new Web site: PNAS - Aphelion clustering of "new" comets: Star tracks through Oort's cloud (PDF). Mar 07, 2025
Article revised and updated. Dec 02, 2020
New article added. Sep 16, 2016
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