For mirror universe planet, see Sol IX.
For additional meanings of "Pluto", please see Pluto (disambiguation).

Pluto (or Sol IX) is the ninth planet in the Sol system, located in Sector 001. Its status has changed several times from being a normal planet to a dwarf planet, but it is commonly known in the Federation as a normal planet.In mid-2380 Pluto and its moons were absorbed by a Borg Cube en route to attack Earth.

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