This provides a possible explanation for the low fraction of twotinos compared to plutinos in the Kuiper belt.
Source: wiktionary
Twotino
Synonyms for "twotino"
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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.
Source: wiktionary
These objects have been given the name of twotinos (rhymes with "plutinos"). Interestingly, there are very few low-eccentricity TNOs beyond the twotinos.
Source: wiktionary
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.