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Loading contentA large, extremely distant detached trans-Neptunian object on one of the most elongated known orbits, far beyond the Kuiper Belt.
Facts on this topic will be cited from these primary and reference sources.
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.
Orbital data, ephemerides, and small-body parameters for planets, asteroids, and comets.