Wikipedia

Trans-Neptunian object

any object in the Solar System that orbits the Sun at a greater average distance than Neptune

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.

Eris and its moon Dysnomia are both Trans-Neptunian Objects

References

change
  1. ↑ Minor Planet Center. [1]



Retrieved from "https://simple.wikipedia.org/w/index.php?title=Trans-Neptunian_object&oldid=9782534"