166P/NEAT 2001 T4

166P/NEAT 2001 T4, also known as NEAT 8, is a periodic comet and centaur in the outer solar system. It was discovered by the Near Earth Asteroid Tracking (NEAT) project in 2001 and initially classified a comet with provisional designation C/NEAT 2001 T4, as it was apparent from the discovery observations that the body exhibited a cometary coma. It is one of only three known bodies with centaur-like orbits that display a coma, along with 60558 Echeclus and 2060 Chiron. It is also one of the reddest centaurs.

166P has a perihelion distance of 8.56 AU.

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