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trans-Neptunian object

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EnglishEdit

 
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NounEdit

trans-Neptunian object (plural trans-Neptunian objects)

  1. (astronomy) Any natural object (usually a minor planet (asteroid) or a hypothetical planet) in the Solar System with all or most of its orbit outside the orbit of planet Neptune

SynonymsEdit

  • TNO (abbreviation)

HyponymsEdit

Derived termsEdit