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'''Non-periodic comets''' (or '''long-period comets''') are ]s that do not have confirmed observations at more than one ] passage,<ref name="non-periodic">{{cite web |title=Cometary Designation System |publisher=Minor Planet Center |url=http://www.cfa.harvard.edu/iau/lists/CometResolution.html |accessdate=2007-12-26 }}</ref> and thus generally have orbital periods of 200 years or more. They include single-apparition comets that pass through the ] only once.<ref name="SBP">{{cite web |title=Small Bodies: Profile |url=http://pds.jpl.nasa.gov/planets/special/smbod.htm |publisher=]/] Planetary Data System |accessdate=2009-04-26 }}</ref> Non-periodic comets are on near-]s that will not return to the vicinity of the ] for hundreds or thousands of years – if ever. (Some use the term ''non-periodic comet'' to refer exclusively to comets that will ''never'' return to the vicinity of the Sun.) Comets not expected to return to the inner Solar System include ], ], ], ], ], and ]. | |||
The official names of non-periodic comets begin with a "C"; comets that have been lost or disappeared have names that begin with a "D".<ref name="non-periodic"/> | |||
The following is a partial list of non-periodic comets that have appeared in the ]: | |||
== After 1910 == | |||
{| class="wikitable sortable" style="font-size:95%;" | |||
!Comet | |||
! | |||
!Discoverer(s) or Namesake, Date of discovery | |||
|- | |||
| ] || (C/1956 R1, 1957 III, 1956h) || ] and Georges Roland, November 8, 1956 | |||
|- | |||
| ] || (C/1989 X1, 1990 V, 1989c1) || ], December 6, 1989 | |||
|- | |||
| ] || (C/1911 S3, 1911 IV, 1911g) || ], September 29, 1911 | |||
|- | |||
| ] || (C/1969 Y1, 1970 II, 1969i) || John Caister Bennett, December 28, 1969 | |||
|- | |||
| ] || (C/2007 W1) || ], November 20, 2007 | |||
|- | |||
| ] || (C/1980 E1) || ], February 11, 1980. Most ] comet known. | |||
|- | |||
| {{ill|de|C/2004 F4 (Bradfield)|lt=Bradfield}} || (C/2004 F4) || ], April 12, 2004 | |||
|- | |||
| ] || (C/1911 O1, 1911 V, 1911c) || ], July 21, 1911 | |||
|- | |||
| ] || (C/1999 F1) || ], March 23, 1999 | |||
|- | |||
| {{ill|de|C/1941 B2 (de Kock-Paraskevopoulos)|lt=de Kock–Paraskevopoulos}} || (C/1941 B2, 1941 IV, 1941c) || Reginald Purdon de Kock, January 15, 1941 and ], January 23, 1941 Independently discovered by 7 observers from South America.<ref></ref> | |||
|- | |||
| ] || (C/1948 V1, 1948 XI, 1948l) || First spotted during the ] total ] of November 1, 1948 (magnitude about −2) | |||
|- | |||
| ] || (C/2010 X1) || ], December 10, 2010 | |||
|- | |||
| ] || (C/1995 O1) || ] and ], July 23, 1995 <br/>one of only five comets known to have had a negative ] (−2.7) | |||
|- | |||
| ] || (C/1961 R1, 1962 VIII, 1961e) || ], September 1, 1961 | |||
|- | |||
| ] || (C/1996 B2) || ], January 30, 1996 | |||
|- | |||
| ] || (C/1965 S1, 1965 VIII, 1965f) || ], ], September 18, 1965 | |||
|- | |||
| ] || (C/1983 H1, 1983 VII, 1983d) || ], ], ], May 1983 | |||
|- | |||
| ] || (C/2012 S1) || Vitali Nevski and Artyom Novichonok, September 21, 2012 | |||
|- | |||
| ] || (C/2014 E2) || Cristóvão Jacques Lage de Faria, Eduardo Pimentel and João Ribeiro de Barros, 13 March 2014 | |||
|- | |||
| ] || (C/2015 V2) || Jess A. Johnson, ], 3 November 2015 | |||
|- | |||
| ] || (C/1973 E1, 1973 XII, 1973f) || ], March 7, 1973 | |||
|- | |||
| ] || (C/2012 F6) || A. R. Gibbs, March 23, 2012 | |||
|- | |||
| ] || (C/2000 U5) || ], October 29, 2000 | |||
|- | |||
| ] || (C/2007 F1) || ], March 19, 2007 | |||
|- | |||
| ] || (C/2011 W3) || ], November 27, 2011 | |||
|- | |||
| ] || (C/2007 N3) || Ye Quanzhi and Lin Chi-Sheng, ], July 11, 2007 | |||
|- | |||
| ] || (C/2004 Q2) || ], August 27, 2004 | |||
|- | |||
| ] || (C/2008 Q1) || Stanislav Matičič, ] (the first comet discovered in Slovenia) | |||
|- | |||
| ] || (C/2006 P1) || ], August 7, 2006 (max. brightness −5<sup>m</sup>) | |||
|- | |||
| ] || (C/2009 R1) || ], September 9, 2009 | |||
|- | |||
| ] || (C/1993 Y1, 1994 XI, 1993v) || ], Kenneth S. Russell December 17, 1993 | |||
|- | |||
| {{ill|de|C/1957 P1 (Mrkos)|lt=Mrkos}} || (C/1957 P1, 1957 V, 1957d) || ], July 29, 1957 | |||
|- | |||
| ] || (C/2001 Q4) || ], August 24, 2001 | |||
|- | |||
| ] || (C/2013 V5) || ], 12 November 2013 | |||
|- | |||
| ] || (C/2011 L4) || ], June 6, 2011 | |||
|- | |||
| ] || (C/1963 R1, 1963 V, 1963e) || 14 September 1963 | |||
|- | |||
| ] || (C/2006 A1) || ], January 2, 2006 | |||
|- | |||
| ] || (C/1931 P1, 1931 E, 1931c) || 14 August 1931 | |||
|- | |||
| {{ill|de|C/1962 C1 (Seki-Lines)|lt=Seki–Lines}} || (C/1962 C1, 1962 III, 1962c, <!-- ??? -->Reitberg–Blakesen, Khokhlov <!-- what is it??? -->) || ] and ], February 4, 1962 | |||
|- | |||
| ] || (C/2007 Q3) || Donna Burton at ], August 25, 2007 | |||
|- | |||
| ] || (C/1927 X1, 1927 IX, 1927k) || ], November 28, 1927, and Edmundo Maristany<!-- of La Plata, Argentina; http://cdsads.u-strasbg.fr//full/seri/AN.../0231//0000216.000.html -->, December 6, 1927 | |||
|- | |||
| ] || (C/1989 Y1, 1990 VI, 1989e<sub>1</sub>) || Boris N. Skorichenko and ], December 17, 1989<!--- http://www.saguaroastro.org/content/SACNEWS/sac1990/sac.9002.pdf ---> | |||
|- | |||
| ] || (C/1998 J1) || ], May 3, 1998, First comet detected by SOHO to be observed from Earth after discovery. | |||
|- | |||
| {{ill|de|C/1947 X1 (Southern Comet)|C/1947 X1 (Südkomet)|lt=Southern Comet}} || (C/1947 X1, 1947 XII, 1947n) || Harold S. Pallot, ] and others, December 7-8, 1947 | |||
|- | |||
| ] || (C/1992 J1) || ] and ], 1 May 1992 <br/>First comet discovered using an automated system | |||
|- | |||
| ] || (C/1998 H1) || Patrick L. Stonehouse, April 27, 1998 | |||
|- | |||
| ] || (C/2006 M4) || Robert D. Matson and Michael Mattiazzo, June 20, 2006 | |||
|- | |||
| ] || (C/2012 E2) || Vladimir Bezugly, March 8, 2012 | |||
|- | |||
| ] || (C/2000 W1) || Syogo Utsunomiya and ], November 18, 2000 | |||
|- | |||
| ] || (C/1975 V1, 1976 VI, 1975n) || ], August 10, 1975 | |||
|- | |||
| ] || (C/1970 K1, 1970 VI, 1970f) || Graeme Lindsay White, May 18, 1970, Emilio Ortiz, May 21, 1970, and Carlos Bolelli, May 22, 1970 | |||
|- | |||
| {{ill|de|C/1961 O1 (Wilson-Hubbard)|lt=Wilson–Hubbard}} || (C/1961 O1, 1961 V, 1961d, Drakesen, Portlock–Weinberg) || A. Stewart Wilson and William B. Hubbard, July 23, 1961 | |||
|- | |||
| ] || (C/2009 F6) || Yi Dae am and Robert D. Matson of ], March 26, 2009 (maximum apparent magnitude +8.5<sup>m</sup>) | |||
|- | |||
| ] || (C/1997 L1) || Zhu Jin (June 3, 1997) and ] (June 8, 1997 ) | |||
|} | |||
== 1910 and earlier (chronological) == | |||
{| class="wikitable sortable" style="font-size:95%;" | |||
!Comet | |||
!Discoverer(s) or Namesake, Date of discovery | |||
|- | |||
| ] (]) || May 18, 44 BC (China); alternative names in Roman antiquity: ''sidus Iulium'' or ''Caesaris astrum''; absolute magnitude: −4.0, one of only five comets known to have had a negative absolute magnitude and possibly the brightest daylight comet in recorded history<ref>Flare-up on July 23–25, 44 BC (Rome): −4.0 (Richter model) and −9.0 (41P/Tuttle-Giacobini-Kresák model); absolute magnitude on May 26, 44 BC (China): −3.3 (Richter) and −4.4 (41P/TGK); calculated in {{cite book |last1=Ramsey |first1=John T. |last2=Licht |first2=A. Lewis |others=Contributor: Brian G. Marsden |title=The Comet of 44 B.C. and Caesar's Funeral Games. |edition=Illustrated |series=American classical studies, no. 39. |date=1997 |origyear= |publisher=Scholars Press. |location= Atlanta |language= |isbn=0-7885-0273-5 |oclc=34640748 |doi= |id= |page= |pages=236. |chapter= |chapterurl= |quote= |ref= |bibcode= |laysummary= |laydate= |separator= |postscript= |lastauthoramp=}}</ref> | |||
|- | |||
| ] (Great Comet of 1106) || February 2, 1106. One of the ], split in two. | |||
|- | |||
| ] (]) (1577 I) || November 1, 1577 absolute magnitude −1.8, one of only five comets known to have had a negative absolute magnitude | |||
|- | |||
| ] || ], 17 December 1652 (], ]) | |||
|- | |||
| Kirch's Comet (]) || ], November 14, 1680 (first telescopic discovery of a comet) | |||
|- | |||
| ]<ref></ref> || ], August 12, 1686 (], ]) | |||
|- | |||
| ] || ], November 24, 1689 (], ]) | |||
|- | |||
| ] || ] & ] | |||
|- | |||
| ] (C/1729 P1,<ref></ref> 1729, Comet Sarabat) || ], August 1, 1729 absolute magnitude −3.0, one of only five comets known to have had a negative absolute magnitude | |||
|- | |||
| ] (1744, Comet Klinkenberg–de Chéseaux) || ], December 9, 1743, and ], December 13, 1743 (orbit computer) became brighter than Jupiter and in March 1744 exhibited no less than six tails | |||
|- | |||
| ] (1747, Comet de Chéseaux) || ], August 13, 1746 absolute magnitude −0.5, one of only five comets known to have had a negative absolute magnitude | |||
|- | |||
| Great Comet of 1760 (], 1759 III, Parisian Comet) || January 7, 1760, approached ] to within 0.054 ] in 1758 | |||
|- | |||
| ] (], 1769<ref>''International Comet Quarterly'', </ref>) || ], August 8, 1769 | |||
|- | |||
| ] (], 1770 II) || January 9, 1771 | |||
|- | |||
| ] (], 1784) || ], December 15, 1783<!--- This was his third and last comet discovery, the first being on May 26, 1758; see http://files.chatnfiles.com/Space%20and%20Astronomy/TEXT/SPACEDIG/V16_6/V16NO694.TXT May be the same person as Pierre Évariste de Lanux Véronge (1738–1805); see http://www.delanux.com/INDEX_G.HTML ---> | |||
|- | |||
| ] (], 1807) || the Augustinian monk Parisi at ], September 9, 1807 | |||
|- | |||
| ] (]) || ], March 25, 1811 | |||
|- | |||
| ] (], 1819 II, Comet Tralles) || ], July 1, 1819 | |||
|- | |||
| ] (], 1823) || December 24, 1823 | |||
|- | |||
| ] (], 1825 IV) || ], July 18, 1825 | |||
|- | |||
| ] (], 1830 I) || ], March 16, 1830 (]) and ], March 20, 1830 (], ]). ], March 18, 1830 (])<ref></ref><ref></ref> | |||
|- | |||
| Great Comet of 1831 (], 1830 II) || ], January 7, 1831 () | |||
|- | |||
| ] (], 1843 I) || February 5, 1843 | |||
|- | |||
| ] (], 1844 III) || December 17, 1844 | |||
|- | |||
| ] (], 1845 III) || June 2, 1845 | |||
|- | |||
| ] (], 1847 I) || ], February 6, 1847 | |||
|- | |||
| ] (], 1847 VI) || ], October 1, 1847 | |||
|- | |||
| ] (], 1853 III) || ], June 11, 1853 | |||
|- | |||
| ] (], 1854 II) || March 23, 1854 | |||
|- | |||
| ] (], 1858 VI) || ], June 2, 1858 | |||
|- | |||
| ] (], 1860 III) || June 18, 1860 | |||
|- | |||
| ] (]) || ] of ], April 5, 1861 | |||
|- | |||
| ] (], 1861 II) || ], May 13, 1861 | |||
|- | |||
| ] (], 1865 I) || January 17, 1865 | |||
|- | |||
| ] (], 1874 III) || ], April 17, 1874 | |||
|- | |||
| ] (], 1880 I) || February 1, 1880 | |||
|- | |||
| ] (], 1881 III, 1881b) || ], May 22, 1881. Independent discovery for W. G. Davis, May 25, 1881.<ref></ref> | |||
|- | |||
| ] (], 1882 I, 1882a) || ], March 18, 1882 | |||
|- | |||
| ] (], 1882 II, 1882b) || September 1, 1882; the first astronomer to see it was ]. It reached an estimated magnitude −17 (C/1882 R1, ] (du Toit) and ] may be the fragments of ]). Possible first discoverer B. A. Gould | |||
|- | |||
| ] (], 1887 I, 1887a) || ], January 18, 1887, "The Headless Wonder"<ref></ref> | |||
|- | |||
| ] (], 1901 I, 1901a) || April 23, 1901<!--- Allegedly "Viscara" on April 12, 1901. Viscara was apparently an administrator of some sort in Paysandú, Uruguay, and a Lorenzo Kropp on May 25 wrote a letter to the Astronomische Nachrichten concerning this alleged observation. ---> | |||
|- | |||
| ] (])<br/>(not to be confused with the 1910 apparition of ]) || Observed by many on the morning of January 12, 1910, the first astronomer to see it was ] | |||
|} | |||
== See also == | |||
* ] | |||
* ] | |||
== Notes == | |||
{{Reflist}} | |||
== External links == | |||
* by J. Bortle | |||
* | |||
* | |||
{{Comets}} | |||
{{Small Solar System bodies}} | |||
{{DEFAULTSORT:Non-Periodic Comets}} | |||
] | |||
] | |||
] |
Revision as of 05:03, 24 June 2016
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