166P/NEAT

166P/NEAT 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 P/2001 T4 (NEAT), as it was apparent from the discovery observations that the body exhibited a cometary coma. It is one of few known bodies with centaur-like orbits that display a coma, along with 60558 Echeclus, 2060 Chiron, 165P/LINEAR and 167P/CINEOS. It is also one of the reddest centaurs.[6]

166P/NEAT
Discovery
Discovered byNEAT
Discovery dateOctober 15, 2001
Alternative
designations		P/2001 T4
Orbital characteristics A
EpochMarch 6, 2006
Aphelion19.1 AU
Perihelion8.559 AU
Semi-major axis13.83 AU
Eccentricity0.3811
Orbital period51.43 a
Inclination15.3813°
Last perihelionMay 20, 2002[1]
Next perihelionNovember 26, 2053[2][3][4][5]

166P/NEAT has a perihelion distance of 8.56 AU,[1] and is a Chiron-type comet with (TJupiter > 3; a > aJupiter).[1]

References
  1. "JPL Small-Body Database Browser: 166P/NEAT (2001 T4)" (2008-03-02 last obs). Retrieved 2008-09-14.
  2. "166P/NEAT Orbit". Minor Planet Center. Retrieved 2014-06-18.
  3. Syuichi Nakano (2005-06-30). "166P/NEAT (2001 T4) (NK 1187)". OAA Computing and Minor Planet Sections. Retrieved 2012-02-20.
  4. Seiichi Yoshida (2005-11-09). "166P/NEAT". Seiichi Yoshida's Comet Catalog. Retrieved 2012-02-20.
  5. Horizons output. "Observer Table for Comet 166P/NEAT". Retrieved 2012-02-20. (Observer Location:@sun)
  6. Bauer, James M.; Fernández, Yanga R. & Meech, Karen J. (2003). "An Optical Survey of the Active Centaur C/NEAT (2001 T4)". Publications of the Astronomical Society of the Pacific. 115 (810): 981–989. Bibcode:2003PASP..115..981B. doi:10.1086/377012.
Numbered comets
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165P/LINEAR		 166P/NEAT Next
167P/CINEOS


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