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C/1911 S2 (Quénisset)

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Revision as of 05:59, 20 December 2024 by KyloRen2017 (talk | contribs) (→Potential meteor shower: Unconfirmed Vulpeculids (?) meteor shower)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff) Non-periodic comet For the other comet discovered by Ferdinand Quénisset, see C/1893 N1 (Rordame–Quénisset).
C/1911 S2 (Quénisset)
Comet Quénisset photographed from Juvisy-sur-Orge, France on 24 September 1911
Discovery
Discovered byFerdinand Quénisset
Discovery siteFlammarion Obs, France
Designations
Alternative designations1911f
1911 VI
Orbital characteristics
Epoch25 October 1911 (JD 2419334.5)
Observation arc30 days
Number of
observations		9
Aphelion517.6 AU
Perihelion0.787 AU
Semi-major axis259.2 AU
Eccentricity0.78735
Orbital period~4,170 years
Inclination108.09°
Longitude of
ascending node		36.430°
Argument of
periapsis		122.09°
Last perihelion12 November 1911
Earth MOID0.0172 AU
Jupiter MOID0.7418 AU

Comet Quénisset, also known by its modern formal designation C/1911 S2, is a non-periodic comet that has a 4,000-year retrograde orbit around the Sun. It is the second of two comets discovered by French astronomer, Ferdinand Quénisset.

Potential meteor shower

Orbital calculations by J. B. Dale revealed that although there would be no close encounter between the comet and the Earth, the former's descending node resulted in a minimum orbit intersection distance of about 0.0172 AU (2.57 million km) by 16 December 1911. This has led to other scientists predicting a meteor shower originating from this comet that will be coming from the constellation Vulpecula on April 27 of each year, though none has been observed so far.

References

  1. ^ M. M. Baldet; F. Quénisset (1911). "Découverte d'une Comète a l'Observatoire Flammarion de Juvisy" [Discovery of a Comet at the Flammarion Observatory in Juvisy]. L'Astronomie (in French). 25 (1): 436–437. Bibcode:1911LAstr..25..436B.
  2. "Comet Names and Designations". International Comet Quarterly. Retrieved 20 December 2024.
  3. "C/1911 S2 (Quénisset) – JPL Small-Body Database Lookup". ssd.jpl.nasa.gov. Jet Propulsion Laboratory. Retrieved 28 March 2024.
  4. J. B. Dale (1911). "Elements of Comet 1911f" (PDF). Nature. 87 (2188): 450. doi:10.1038/087450b0.
  5. M. Davidson (1920). "Council Cometary radiant points, 1875-1920" (PDF). Monthly Notices of the Royal Astronomical Society. 80 (8): 739–741. Bibcode:1920MNRAS..80..739D. doi:10.1093/mnras/80.8.739.

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