32P/Comas Solà

32P/Comas Solà
Discovery
Discovered by	Josep Comas i Solà
Discovery date	November 5, 1926
Designations
Alternative designations	1944 II; 1952 VII; 1951h;; 1961 III; 1960f; 1969 VIII;; 1968g; 1978 XVII; 1977n;; 1987 XVIII; 1986j; 32P/1926 V1;; 1927 III; 1926f; 32P/1935 P1;; 1935 IV; 1935c; 32P/1960 VL;; 1961 III; 1960f
Orbital characteristics
Epoch	March 6, 2006
Aphelion	6.692 AU
Perihelion	1.834 AU
Semi-major axis	4.263 AU
Eccentricity	0.5699
Orbital period	8.801 a
Inclination	12.9312°
Last perihelion	October 17, 2014; April 1, 2005
Next perihelion	April 20, 2024

32P/Comas Solà is a periodic comet with a current orbital period of 8.8 years.

The comet nucleus is estimated to be 8.4 kilometers in diameter.^[3]

History

32P/Comas Solà was discovered November 5, 1926, by Josep Comas Solà. As part of his work on asteroids for the Fabra Observatory (Barcelona), he was taking photographs with a 6-inch (150 mm) telescope. The comet's past orbital evolution became a point of interest as several astronomers suggested early on that the comet might be a return of the then lost periodic comet Spitaler (113P/Spitaler). In 1935 additional positions had been obtained, and P. Ramensky investigated the orbital motion back to 1911. He noted the comet passed very close to Jupiter during May 1912 and that, prior to this approach, the comet had a perihelion distance of 2.15 AU and an orbital period of 9.43 years. The identity with comet Spitaler was thus disproven.

In 1933, the Danish astronomer Julie Vinter Hansen undertook significant new research which calculated the orbit of the comet up to 1980, predicting when it would return to the Earth's orbit.^[4]

In 1969, Soviet astronomers Klim Churyumov and Svetlana Gerasimenko searched for 32P/Comas Solà on photographic plates, and serendipously discovered a new comet, 67P/Churyumov-Gerasimenko.^[5]

Trivia

The title of the early Tangerine Dream piece "Fly and Collision of Coma[s] Sola", appearing on the Alpha Centauri (1971) album, refers to this comet, which at the time was undergoing a moderately close (0.73 AU) approach to Jupiter.^{[citation needed]}

References

^ Syuichi Nakano (2011-11-04). "32P/Comas Sola (NK 2155)". OAA Computing and Minor Planet Sections. Retrieved 2012-02-18.
^ "32P/Comas Sola Orbit". Minor Planet Center. Retrieved 2014-10-29.
^ "JPL Small-Body Database Browser: 32P/Comas Sola" (last observation:2014-01-25). Jet Propulsion Laboratory. Retrieved 2010-02-26.
^ Hansen, Julie M. Vinter (1933). "The periodic comet Comas Sola (1926 f) at its return in the year 1935". Publikationer og Mindre Meddeler Fra Kobenhavns Observatorium. 85: 1–16. Bibcode:1933PCopO..85....1H.
^ Kronk, Gary W. & Meyer, Maik (2010). "67P/1969 R1 (Churyumov-Gerasimenko)". Cometography: A Catalog of Comets; Volume 5: 1960–1982. Cambridge University Press. pp. 241–245. ISBN 978-0-521-87226-3.

External links

Orbital simulation from JPL (Java) / Horizons Ephemeris
Elements and Ephemeris for 32P/Comas Sola – Minor Planet Center
32P/Comas Sola – Seiichi Yoshida @ aerith.net
32P/Comas Solà – Gary W. Kronk's Cometography

Numbered comets
Previous 31P/Schwassmann–Wachmann	32P/Comas Solà	Next 33P/Daniel

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[NK2155-1] Syuichi Nakano (2011-11-04). "32P/Comas Sola (NK 2155)". OAA Computing and Minor Planet Sections. Retrieved 2012-02-18.

[MPC-2] "32P/Comas Sola Orbit". Minor Planet Center. Retrieved 2014-10-29.

[jpldata-3] "JPL Small-Body Database Browser: 32P/Comas Sola" (last observation:2014-01-25). Jet Propulsion Laboratory. Retrieved 2010-02-26.

[4] Hansen, Julie M. Vinter (1933). "The periodic comet Comas Sola (1926 f) at its return in the year 1935". Publikationer og Mindre Meddeler Fra Kobenhavns Observatorium. 85: 1–16. Bibcode:1933PCopO..85....1H.

[Kronk-5] Kronk, Gary W. & Meyer, Maik (2010). "67P/1969 R1 (Churyumov-Gerasimenko)". Cometography: A Catalog of Comets; Volume 5: 1960–1982. Cambridge University Press. pp. 241–245. ISBN 978-0-521-87226-3.

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