Eris (dwarf planet)
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Eris is the most massive and second-largest-known dwarf planet in the Solar System. It is a trans-Neptunian object in the scattered disk and has a high-eccentricity orbit. Eris was discovered in Janua
Low-resolution image of Eris and Dysnomia as imaged by the James Webb Space Telescope's NIRCam on 23 August 2024
Eris and its moon Dysnomia imaged by Hubble Space Telescope on August 30, 2006. Dysnomia's orbit around Eris labeled.
Illustration of the stellar occultation by Eris in November 2010. The resulting occultation chords project a circular silhouette for Eris, giving a spherical diameter of 2,326 km (1,445 mi).
Eris as taken by the Hubble Space Telescope. This image is one of the clearer shots of Eris.
Trans-Neptunian object
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A trans-Neptunian object, also written transneptunian object, is any minor planet in the Solar System that orbits the Sun at a greater average distance than Neptune, which has an orbital semi-major ax
Eris (dwarf planet)
…Eris (minor-planet number 136199) is the most massive and second-largest-known dwarf planet in the Solar System. It is a trans-Neptunian object (TNO) in the scattered disk and has a high-eccentricity orbit. Eris was discovered in January 2005 by a Palomar Observatory–based team led by Mike Brown…
Pluto, the first known TNO, imaged by New Horizons in 2015.
Looking back at Pluto, the largest visited KBO so far
Ceres RC3 Haulani Crater