Sednoid

A Sednoid in astronomy is a small object like a small solar system body, that goes around the Sun beyond Neptune's orbit, similar to the orbit of the dwarf planet Sedna. There are only four known Sednoids:

and “Ammonite”

These sednoids have very eliptical orbits and it could be Planet 9's gravity changing their orbits, or these object's were captured by the Sun.

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