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4P/Faye

From Wikipedia, the free encyclopedia

4P/Faye
Discovery
Discovered byHervé Faye
Discovery dateNovember 23, 1843
Designations
P/1843 W1, P/1850 W1, 1910e
Orbital characteristics
Epoch2021-09-23[1]
(JD 2459480.5)
Aphelion6.03 AU[1]
Perihelion1.619 AU
Semi-major axis3.824 AU
Eccentricity0.5767
Orbital period7.48 a
Inclination8.013°
Last perihelion2021-Sep-08[1]
May 29, 2014
November 15, 2006
Next perihelion2029-Mar-09[2] (JPL Horizons)
TJupiter2.737
Earth MOID0.56 AU (84 million km)
Physical characteristics
Dimensions3.54 km[3]
Perihelion distance
at different epochs[4]
Epoch Perihelion
(AU)
1806 1.74
1843 1.69
1984 1.59
2102 1.51

Comet 4P/Faye (also known as Faye's Comet or Comet Faye) is a periodic Jupiter-family comet discovered in November 1843 by Hervé Faye at the Royal Observatory in Paris. Its most recent perihelia (closest approaches to the Sun) were on November 15, 2006; May 29, 2014;[5] and September 8, 2021.[1]

The comet was first observed by Faye on November 23, but bad weather prevented its confirmation until the 25th.[6] It was so faint that it had already passed perihelion about a month before its discovery, and only a close pass by the Earth had made it bright enough for discovery. Otto Wilhelm von Struve reported that the comet was visible to the naked eye at the end of November.[6] It remained visible for smaller telescopes until January 10, 1844, and was finally lost to larger telescopes on April 10, 1844.[6]

In 1844, Friedrich Wilhelm Argelander[7] and Thomas James Henderson[8] independently computed that the comet was a short-period comet; by May, its period had been calculated to be 7.43 years.[6] Urbain Le Verrier computed the positions for the 1851 apparition, predicting perihelion in April 1851.[6] The comet was found close to his predicted position on November 29, 1850, by James Challis.[6]

The comet was missed during its apparitions in 1903 and 1918 due to unfavorable observing circumstances.[6] It reached a brightness of about 9th magnitude in 2006.[9]

4P/Faye has a close approach to Jupiter every 59.3 years, which is gradually reducing its perihelion and increasing its orbital eccentricity. In the most recent close approach to Jupiter (March 2018), Faye's perihelion changed from about 1.7 AU to about 1.5 AU.[10]

The comet nucleus is estimated to be about 3.5 km in diameter.[11]

  • Orbit of Comet 4P/Faye.

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  • Very Very Tricky problem | Next Perihelion together | HARD RMO, PRMO, NMTC, Mental Ability, Olympiad
  • Opozycja Neptuna i powrót komety Faye'a - Niebo we wrześniu 2021

Transcription

References

  1. ^ a b c d "4P/Faye Orbit". Minor Planet Center. Retrieved 2014-06-16.
  2. ^ "Horizons Batch for 4P/Faye (90000117) on 2029-Mar-09" (Perihelion occurs when rdot flips from negative to positive). JPL Horizons. Retrieved 2022-06-15. (JPL#K212/23 Soln.date: 2022-Jun-08)
  3. ^ "JPL Small-Body Database Browser: 4P/Faye" (last observation: 2014-01-29 last obs). Jet Propulsion Laboratory. Retrieved 2014-10-29.
  4. ^ Kinoshita, Kazuo (2015-06-12). "4P/Faye past, present and future orbital elements". Comet Orbit. Archived from the original on 2011-05-20. Retrieved 2023-07-20.
  5. ^ Syuichi Nakano (2011-11-01). "4P/Faye (NK 2145)". OAA Computing and Minor Planet Sections. Retrieved 2012-02-18.
  6. ^ a b c d e f g Kronk, Gary W. (2001–2005). "4P/Faye". Retrieved 2005-12-25. (Cometography Home Page)
  7. ^ Argelander, Friedrich W.A. (January 3, 1844). "Schreiben des Herrn Professors Argelander, Directors der Sternwarte in Bonn, an den Herausgeber". Astronomische Nachrichten. 21 (495): 225–226. Bibcode:1844AN.....21..225A. doi:10.1002/asna.18440211502.
  8. ^ Henderson, Thomas J. (January 10, 1844). "On the Orbit of the Comet of Faye". Monthly Notices of the Royal Astronomical Society. 6 (3): 18–20. doi:10.1093/mnras/6.3.18b.
  9. ^ Seiichi Yoshida (2008-10-12). "4P/Faye (2006)". Seiichi Yoshida's Comet Catalog. Archived from the original on 13 October 2007. Retrieved 2007-09-24.
  10. ^ "Comet of the month – 4P/Faye | British Astronomical Association".
  11. ^ Lamy, P. L.; Toth, I.; Weaver, H. A.; A'Hearn, M. F.; Jorda, L. (December 2009). "Properties of the nuclei and comae of 13 ecliptic comets from Hubble Space Telescope snapshot observations". Astronomy & Astrophysics. 508 (2): 1045–1056. Bibcode:2009A&A...508.1045L. doi:10.1051/0004-6361/200811462. S2CID 125249770.

External links


Numbered comets
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5D/Brorsen


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This page was last edited on 24 December 2023, at 16:10
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