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{{Infobox comet {{Infobox comet
| name = C/2012 L2 (LINEAR) | name = C/2012 L2 (LINEAR)
| image = C2012 L2 2013-2-19 ImageDownload-1-irsakuops-ptf-5f5c5ffb54-zlwjw---1.png
| caption = The comet on 18 February 2013 by the ]
| discovery_ref = {{r|MPEC_2012-L13}}
| discoverer = ] | discoverer = ]
| discovery_site = ]
| discovery_date = 1 June 2012 | discovery_date = 1 June 2012
| designations = CK12L020{{r|MPEC_2012-L13}}
| orbit_ref = {{r|jpl}} | orbit_ref = {{r|jpl}}
| observation_arc = 338 days | observation_arc = 338 days
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}} }}


'''Comet LINEAR''', formal designation '''C/2012 L2''', is a faint ] that had a distant perihelion on May 2013. Preliminary calculations of its orbit by ] noted a striking similarity with that of ],{{r|groups.io}} however it is purely a coincidence rather than the return of the latter comet.{{r|baa-2012}} '''C/2012 L2 (LINEAR)''' is a ] that was discovered on 1 June 2012 by ]. Preliminary calculations of its orbit by ] noted a striking similarity with that of ],{{r|groups.io}} however it is purely a coincidence rather than the return of the latter comet.{{r|baa-2012}} It passed perihelion in May 2013.

== Discovery and observations ==
The comet was discovered as a 19.4-magnitude object from photographs taken by the ] survey on the morning of 1 June 2012.{{r|Yoshida_2014}} Five days after discovery, ] noted that the preliminary orbit of this comet was initially similar to that of ], however he later concluded that these comets were unrelated from one another.{{r|groups.io}} Its aphelion distance suggested it may have been a dynamically new object that originated from the inner regions of the ], therefore imaging polarimetry of the comet was conducted to further study the composition of these objects.{{r|Deb_Roy_2015}}


== References == == References ==
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| publisher= University of Cambridge | publisher= University of Cambridge
| access-date= 31 December 2024 }} | access-date= 31 December 2024 }}
</ref>

<ref name="Deb_Roy_2015">{{cite journal
| author1= P. Deb Roy
| author2= H. S. Das
| author3= B. J. Medhi
| title= Imaging polarimetry of Comet C/2012 L2 (LINEAR)
| url= https://arxiv.org/pdf/1410.1660
| journal= Icarus
| year= 2015
| volume= 245
| pages= 241–246
| bibcode= 2015Icar..245..241D
| arxiv= 1410.1660
| issn= 0019-1035
| doi= 10.1016/j.icarus.2014.07.002 }}
</ref> </ref>


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| publisher= ] | publisher= ]
| access-date= 3 January 2024 }} | access-date= 3 January 2024 }}
</ref>

<ref name="MPEC_2012-L13">{{cite web
| author1= G. V. Williams
| title= MPEC 2012-L13: Comet C/2012 L2 (LINEAR)
| url= https://www.minorplanetcenter.net/mpec/K12/K12L13.html
| website= www.minorplanetcenter.net
| publisher= ]
| date= 5 June 2012
| access-date= 31 December 2024 }}
</ref>

<ref name="Yoshida_2014">{{cite web
| author1= S. Yoshida
| title= C/2012 L2 (LINEAR)
| url= http://www.aerith.net/comet/catalog/2012L2/2012L2.html
| website= www.aerith.net
| date= 15 June 2014
| access-date= 31 December 2024 }}
</ref> </ref>


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== External links == == External links ==
* {{JPL Small Body|id=1003196}} * {{JPL Small Body|id=1003196}}
* , 4 April 2013


{{Comets}} {{Comets}}
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] ]
] ]
]



{{Comet-stub}} {{Comet-stub}}

Latest revision as of 18:36, 31 December 2024

Non-periodic comet For other comets of the same name, see List of comets discovered by the LINEAR project.
C/2012 L2 (LINEAR)
The comet on 18 February 2013 by the Palomar Transient Factory
Discovery
Discovered byLINEAR
Discovery siteSocorro, New Mexico
Discovery date1 June 2012
Designations
Alternative designationsCK12L020
Orbital characteristics
Observation arc338 days
Number of
observations		2,119
Aphelion~1,130 AU
Perihelion1.509 AU
Semi-major axis565.74 AU
Eccentricity0.99733
Orbital period~13,460 years
Inclination70.981°
Longitude of
ascending node		270.302°
Argument of
periapsis		205.786°
Last perihelion9 May 2013
TJupiter0.505
Earth MOID0.584 AU
Jupiter MOID3.248 AU
Physical characteristics
Comet total
magnitude (M1)		11.3
Apparent magnitude10.0
(2013 apparition

C/2012 L2 (LINEAR) is a non-periodic comet that was discovered on 1 June 2012 by LINEAR. Preliminary calculations of its orbit by Maik Meyer noted a striking similarity with that of C/1785 A1 (Messier–Mechain), however it is purely a coincidence rather than the return of the latter comet. It passed perihelion in May 2013.

Discovery and observations

The comet was discovered as a 19.4-magnitude object from photographs taken by the Lincoln Near-Earth Asteroid Research survey on the morning of 1 June 2012. Five days after discovery, Maik Meyer noted that the preliminary orbit of this comet was initially similar to that of C/1785 A1, however he later concluded that these comets were unrelated from one another. Its aphelion distance suggested it may have been a dynamically new object that originated from the inner regions of the Oort cloud, therefore imaging polarimetry of the comet was conducted to further study the composition of these objects.

References

  1. ^ G. V. Williams (5 June 2012). "MPEC 2012-L13: Comet C/2012 L2 (LINEAR)". www.minorplanetcenter.net. Minor Planet Center. Retrieved 31 December 2024.
  2. "C/2012 L2 (LINEAR) – JPL Small-Body Database Lookup". ssd.jpl.nasa.gov. Jet Propulsion Laboratory. Retrieved 3 January 2024.
  3. ^ M. Meyer (6 June 2012). "Another one ;) C/1785 A1 and C/2012 L2". Groups.io. Retrieved 31 December 2024.
  4. J. Shanklin. "BAA Comet Section: Comets of 2012". University of Cambridge. Retrieved 31 December 2024.
  5. S. Yoshida (15 June 2014). "C/2012 L2 (LINEAR)". www.aerith.net. Retrieved 31 December 2024.
  6. P. Deb Roy; H. S. Das; B. J. Medhi (2015). "Imaging polarimetry of Comet C/2012 L2 (LINEAR)". Icarus. 245: 241–246. arXiv:1410.1660. Bibcode:2015Icar..245..241D. doi:10.1016/j.icarus.2014.07.002. ISSN 0019-1035.

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