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246P/NEAT

From Wikipedia, the free encyclopedia
Periodic comet
For other comets discovered by the Near-Earth Asteroid Tracking survey, seeComet NEAT (disambiguation).

246P/NEAT
246P/NEAT as imaged by theZwicky Transient Facility on 8 June 2021
Discovery[1]
Discovered byNear-Earth Asteroid Tracking (NEAT)
Discovery siteHaleakala Observatory
Discovery date28 March 2004
Designations
P/2004 F3, P/2010 V2
Orbital characteristics[3][4]
Epoch17 October 2024 (JD 2460600.5)
Observation arc22.92 years
Earliestprecovery date6 January 2002
Number of
observations
5,007
Aphelion5.245 AU
Perihelion3.164 AU
Semi-major axis4.204 AU
Eccentricity0.28504
Orbital period8.62 years
Inclination17.751°
74.231°
Argument of
periapsis
185.43°
Mean anomaly156.59°
Last perihelion16 February 2021
Next perihelion28 October 2029[2]
TJupiter2.913
EarthMOID1.865 AU
JupiterMOID0.096 AU
Comet total
magnitude
(M1)
5.9
Comet nuclear
magnitude (M2)
11.3

246P/NEAT is aperiodiccomet discovered on 2004 March 28 byNear-Earth Asteroid Tracking (NEAT) using the 1.2 m (47 in)reflector atHaleakala.[1] It was given the permanent number 246P on 14 January 2011.[5]

Orbit

[edit]

It is aQuasi-Hilda comet.[6] Due toperturbations by Jupiter, the 2005, 2013 and 2021 perihelion passages will be closer to the Sun.[7] The comet is observable all through its orbit.[7]

References

[edit]
  1. ^abF. Hormuth; J. Ticha; M. Tichy; P. Kusnirak; et al. (29 March 2004). D. W. Green (ed.)."Comet P/2004 F3 (NEAT)".IAU Circular.8313 (2).Bibcode:2012IAUC.8313....2H.
  2. ^"Horizons Batch for 246P/NEAT on 2029-Oct-28" (Perihelion occurs when rdot flips from negative to positive).JPL Horizons. Retrieved17 September 2021. (JPL#212/Soln.date: 2021-Sep-04)
  3. ^"246P/NEAT – JPL Small-Body Database Lookup".ssd.jpl.nasa.gov.Jet Propulsion Laboratory. Retrieved31 July 2012.
  4. ^"246P/NEAT Orbit".Minor Planet Center. Retrieved20 June 2014.
  5. ^D. W. Green (14 January 2011)."Comet 246P/NEAT".IAU Circular.9192 (2).Bibcode:2011IAUC.9192....2G.
  6. ^I. Toth (2006)."The quasi-Hilda subgroup of ecliptic comets - an update"(PDF).Astronomy & Astrophysics.448 (3):1191–1196.Bibcode:2006A&A...448.1191T.doi:10.1051/0004-6361:20053492.
  7. ^abS. Yoshida (13 November 2010)."246P/NEAT".www.aerith.net. Retrieved31 July 2012.

External links

[edit]


Numbered comets
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245P/WISE
246P/NEATNext
247P/LINEAR
Features
Comet C/1996 B2 (Hyakutake)
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