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166P/NEAT

From Wikipedia, the free encyclopedia
Chiron-type comet
For other comets discovered by the Near-Earth Asteroid Tracking survey, seeComet NEAT (disambiguation).
166P/NEAT
Discovery
Discovered byNEAT
Discovery dateOctober 15, 2001
Designations
P/2001 T4
Orbital characteristics
EpochMarch 6, 2006
Aphelion19.1 AU
Perihelion8.559 AU
Semi-major axis13.83AU
Eccentricity0.3811
Orbital period51.43a
Inclination15.3813°
Last perihelionMay 20, 2002[1]
Next perihelionNovember 26, 2053[2][3][4][5]
Physical characteristics
Mean radius
14.32 km (8.90 mi)[6]
  • (B–V) =0.89±0.11[7]
  • (V–R) =0.56±0.03[7]
  • (B–R) =1.59±0.05[6]
Comet total
magnitude
(M1)
7.0
Comet nuclear
magnitude (M2)
10.6

166P/NEAT is aperiodic comet andcentaur in the outerSolar System. It was discovered by theNear 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 acoma, along with60558 Echeclus,2060 Chiron,165P/LINEAR and167P/CINEOS. It is also one of the reddest centaurs.[8]

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

References

[edit]
  1. ^abc"JPL Small-Body Database Browser: 166P/NEAT (2001 T4)" (2008-03-02 last obs). Retrieved2008-09-14.
  2. ^"166P/NEAT Orbit".Minor Planet Center. Retrieved2014-06-18.
  3. ^Syuichi Nakano (2005-06-30)."166P/NEAT (2001 T4) (NK 1187)". OAA Computing and Minor Planet Sections. Retrieved2012-02-20.
  4. ^Seiichi Yoshida (2005-11-09)."166P/NEAT". Seiichi Yoshida's Comet Catalog. Retrieved2012-02-20.
  5. ^"Horizons Batch for 166P/NEAT on 2053-Nov-26" (Perihelion occurs when rdot flips from negative to positive).JPL Horizons. Retrieved2023-07-06. (JPL#51 Soln.date: 2021-Apr-15)
  6. ^abJ. C. Shi; Y. H. Ma (2015)."CCD photometry of active Centaur 166P/2001 T4 (NEAT)"(PDF).Monthly Notices of the Royal Astronomical Society.454 (4):3635–3640.Bibcode:2015MNRAS.454.3635S.doi:10.1093/mnras/stv2274.
  7. ^abD. C. Jewitt (2015)."Color Systematics of Comets and Related Bodies".The Astronomical Journal.150 (6):201–219.arXiv:1510.07069.Bibcode:2015AJ....150..201J.doi:10.1088/0004-6256/150/6/201.
  8. ^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.

External links

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Numbered comets
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165P/LINEAR
166P/NEATNext
167P/CINEOS
Features
Comet C/1996 B2 (Hyakutake)
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