Trans-Neptunian object

any object in the Solar System that orbits the Sun at a greater average distance than Neptune From Wikipedia, the free encyclopedia

Trans-Neptunian object

Trans-Neptunian object or TNO is a name astronomers give to any minor planet in the Solar System which orbits (travels around) the Sun beyond the planet Neptune. There are over a thousand Trans-Neptunian objects.^[1] Many are in the Kuiper belt.

Thumb — Eris and its moon Dysnomia are both Trans-Neptunian Objects

References

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