Word.ws English Dictionary

twotino

twotino noun: any astronomical object, on the apparent outer edge of the Kuiper Belt, whose orbit has a 1:2 resonance with the planet Neptune.

Noun

twotino (plural twotinos)

  1. Any astronomical object, on the apparent outer edge of the Kuiper Belt, whose orbit has a 1:2 resonance with the planet Neptune.
    • This provides a possible explanation for the low fraction of twotinos compared to plutinos in the Kuiper belt.2009, A. C. Quillen, “Resonances in Galactic and Circumstellar Disks”, in G. Contopoulos, P. A. Patsis, editors, Chaos in Astronomy: Conference 2007, Springer, page 199
    • Plutinos are Kuiper belt objects in a 2:3 resonance (a = 39.4 AU) with Neptune and are named after Pluto since these bodies have orbits similar to Pluto. Twotinos are objects that are in a 1:2 resonance (a = 47.8 AU) with Neptune.2017, Thomas H. Burbine, Asteroids, Cambridge University Press, page 234

Forms of twotino

pluraltwotinos

Origin of twotino

Blend of two + plutino.

Questions about twotino

What does twotino mean?
Twotino means any astronomical object, on the apparent outer edge of the Kuiper Belt, whose orbit has a 1:2 resonance with the planet Neptune.
What part of speech is twotino?
Twotino is a noun.
What is the plural of twotino?
The plural of twotino is twotinos.

Words near twotino in the dictionary

  1. twote
  2. twoteen
  3. twoten
  4. twoth
  5. twothirds
  6. twotino
  7. twotinos
  8. twoty
  9. twovel
  10. twovels
  11. TWOW

Source and license

Adapted from Wiktionary: twotino (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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