Trans-Neptunian Object - Notable Trans-Neptunian Objects

Notable Trans-Neptunian Objects

  • Pluto, a dwarf planet.
    • Charon, the largest of Pluto's moons.
  • (15760) 1992 QB1, the prototype cubewano, the first Kuiper belt object discovered after Pluto and Charon.
  • 1998 WW31, the first binary Kuiper belt object discovered after Pluto and Charon.
  • (15874) 1996 TL66, the first object to be identified as a scattered disc object.
  • (48639) 1995 TL8 has a very large satellite and is the earliest discovered scattered disc object.
  • 1993 RO, the next plutino discovered after Pluto.
  • 20000 Varuna and 50000 Quaoar, large cubewanos.
  • 90482 Orcus and 28978 Ixion, large plutinos.
  • 90377 Sedna, a distant object, proposed for a new category named Extended scattered disc (E-SDO), detached objects, Distant Detached Objects (DDO) or Scattered-Extended in the formal classification by DES.
  • Haumea, a dwarf planet, the fourth largest known trans-Neptunian object. Notable for its two known satellites and unusually short rotation period (3.9 h).
  • Eris, a dwarf planet, a scattered disc object, and currently the most massive known trans-Neptunian object. It has one known satellite, Dysnomia.
  • Makemake, a dwarf planet, a cubewano, and the third largest known trans-Neptunian object.
  • 2004 XR190, a scattered disc object following a highly inclined but nearly circular orbit.
  • (87269) 2000 OO67 and (148209) 2000 CR105, remarkable for their eccentric orbits and large aphelia.
  • 2008 KV42, the first retrograde TNO, having an orbital inclination of i = 104°.

A fuller list of objects is being compiled in the List of trans-Neptunian objects.

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