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trans-Neptunian object

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English

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Alternative forms

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Noun

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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 Neptune.
    Synonym: (initialism) TNO

Hypernyms

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Translations

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Translations

See also

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