The list of unnumbered trans-Neptunian objects (TNOs) from 2013 refers to a compilation of trans-Neptunian objects discovered during that year that had not yet been assigned an official number by the International Astronomical Union (IAU). TNOs are celestial bodies located in the region of the Solar System beyond the orbit of Neptune, and they can include a variety of objects, such as dwarf planets, asteroids, and comets.
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