Astrophysics (index)about

Trans-Neptunian Object

(TNO, Trans-Neptune Object)
(minor planet beyond Neptune)

A Trans-Neptunian Object (TNO or Trans-Neptune Object) is a Minor Planet that orbits beyond Neptune, specifically, its orbit's Semi-Major Axis. Pluto now falls in this class.

An Extreme Trans-Neptunian Object (ETNO or Extreme Trans-Neptune Object) is a TNO with semi-major axis beyond 150 AU.

(planets,solar system,object type)

Referenced by:
Binary Minor Planet (BMP)
Outer Solar System Origins Survey (OSSOS)
Solar System