Trans-Neptunian object

trans-neptunian-object-1752770857217-9e5ad7

Description

A trans-Neptunian object (TNO), also written transneptunian object, is any minor planet in the Solar System that orbits the Sun at a greater average distance than Neptune, which has an orbital semi-major axis of 30.1 astronomical units (AU).

ID: trans-neptunian-object-1752770857217-9e5ad7

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