Tenth planet (disambiguation)

Tenth planet is a term formerly applied to possible planets beyond Neptune, before the reclassification of Pluto. It may also refer to:

Astronomy

  • 3 Juno, an asteroid that was the tenth object to be identified as a planet before the asteroids were demoted
  • 2060 Chiron, claimed by some to be the tenth planet upon discovery
  • 15760 Albion, then nicknamed "Smiley" and hailed as the tenth planet
  • 50000 Quaoar, the biggest object found since Pluto and Charon
  • 90377 Sedna, a large minor planet
  • Charon (moon), regarded together with Pluto as a binary planet
  • Eris (dwarf planet), which came very close to being considered the tenth planet, after Pluto

Other uses

See also

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