|Discovered by||Francesco de Vico, Edward Swift and NEAT|
|Discovery date||August 23, 1844|
|P/2002 T4, 1965 M1, 1894 W1, 1844 Q1|
|Orbital characteristics A|
|Epoch||July 25, 2002 (JD )|
|Semi-major axis||3.76 AU|
|Orbital period||7.313 a|
|Last perihelion||November 28, 2009|
|Next perihelion||April 15, 2017|
54P/de Vico–Swift–NEAT is a periodic comet in the Solar System first discovered by Father Francesco de Vico (Rome, Italy) on August 23, 1844. It has become a lost comet several times after its discovery. The comet makes many close approaches to Jupiter.
First discovery (1844)
Paul Laugier and Felix Victor Mauvais calculated an orbit on September 9, 1844 and noted that a similarity existed with comets seen in previous years, by including comet Blanpain of 1819, into their calculations, they came up with an orbital period of between 4.6 and 4.9 years.
Hervé Faye (Paris, France) computed the first elliptical orbit on September 16, 1844 and the orbital period as 5.46 years.
The comet was considered lost as subsequent predicted returns after 1844 were never observed.
Second discovery (1894)
Edward D. Swift (Echo Mountain, California, USA) rediscovered the comet on November 21, 1894. Adolf Berberich suggested the comet might be the same as de Vico's comet on the basis of the comet's location and direction of motion.
After 1894, the comet was considered lost again after the 1901 and 1907 returns remained unseen.
Third discovery (1965)
In 1963, Brian G. Marsden used a computer to link the 1844 and 1894 sightings and calculated a favourable return in 1965. The comet was subsequently recovered by Arnold Klemola (Yale-Columbia Southern Observatory, Argentina) on June 30, 1965 at magnitude 17.
In 1968 the comet passed close to Jupiter which increased the perihelion distance and orbital period, the magnitude dropped and the comet was not observed for subsequent predictions, in 1995 it was again considered lost.
Fourth discovery (2002)
The Near-Earth Asteroid Tracking (NEAT) program rediscovered the comet on October 11, 2002. The LINEAR program (New Mexico) found several prediscovery images from October 4. It was confirmed as a return of comet 54P/de Vico-Swift by Kenji Muraoka (Kochi, Japan).
- Syuichi Nakano (2009-08-20). "54P/de Vico-Swift-NEAT (NK 1813)". OAA Computing and Minor Planet Sections. Retrieved 2012-02-18.
- "JPL Close-Approach Data: 54P/de Vico-Swift-NEAT". 2009-12-20 last obs. Retrieved 2012-02-22. Check date values in:
- Jonathan Shanklin (2009). "BAA Comet section Old News (2009)". British Astronomical Association Comet Section. Retrieved 2009-09-21.
- Orbital simulation from JPL (Java) / Ephemeris
- 54P at Gary W. Kronk's Cometography
- 54P at Kazuo Kinoshita's Comets
- 54P at Seiichi Yoshida's Comet Catalog
|Periodic comets (by number)|
|54P/de Vico–Swift–NEAT|| Next|
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