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| {{Infobox Comet
| | The writer's name is Christy. Credit authorising is how he tends to make money. What me and my family adore is doing ballet but I've been taking on new issues recently. My spouse and I live in Kentucky.<br><br>Feel free to surf to my webpage - [http://www.Aseandate.com/index.php?m=member_profile&p=profile&id=13352970 real psychic readings] |
| | name=168P/Hergenrother
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| | image=
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| | discoverer=[[Carl W. Hergenrother]]
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| | discovery_date=November 22, 1998
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| | designations=P/1998 W2<br />P/2005 N2
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| | epoch=March 6, 2006
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| | semimajor=3.632 [[Astronomical Unit|AU]]
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| | perihelion=1.426 AU
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| | aphelion=5.839 AU
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| | eccentricity=0.6075
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| | period=6.923 [[Julian year (astronomy)|a]]
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| | inclination= 21.8934°
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| | last_p=October 1, 2012<ref name="NK1778"/><br>November 2, 2005
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| | next_p=August 5, 2019<ref name="NK2283"/>
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| }}
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| '''168P/Hergenrother''' is a [[List of periodic comets|periodic]] [[comet]] in the [[solar system]]. The comet originally named '''P/1998 W2''' returned in 2005 and got the temporary name '''P/2005 N2'''.<ref name="recovery"/>
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| The comet came to [[Apsis|perihelion]] on 1 October 2012,<ref name="NK1778"/> and was expected to reach about [[apparent magnitude]] 15.2, but due to an outburst the comet reached apparent magnitude 8.<ref name="Yoshida-2012"/> As a result of the outburst of gas and dust, the comet was briefly more than 500 times brighter than it would have been without the outburst.<ref name=outburst-math/> Images by the {{convert|2|m|in|abbr=on}} [[Faulkes Telescope North]] on 26 October 2012 confirm a [[Comet nucleus#Splitting|fragmentation event]].<ref name="Faulkes"/> The secondary fragment was about magnitude 17. Further observations by the {{convert|8.1|m|in|abbr=on}} [[Gemini telescope]] show that the comet fragmented into at least 4 parts.<ref name="badastronomy"/>
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| == References ==
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| {{reflist
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| | refs =
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| <ref name="NK1778">{{cite web
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| |date=2009-04-23
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| |title=168P/Hergenrother (NK 1778)
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| |publisher=OAA Computing and Minor Planet Sections
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| |author=[[Syuichi Nakano]]
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| |url=http://www.oaa.gr.jp/~oaacs/nk/nk1778.htm
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| |accessdate=2012-02-20}}</ref>
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| <ref name="NK2283">{{cite web
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| |date=2012-07-17
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| |title=168P/Hergenrother (NK 2283)
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| |publisher=OAA Computing and Minor Planet Sections
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| |author=[[Syuichi Nakano]]
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| |url=http://www.oaa.gr.jp/~oaacs/nk/nk2283.htm
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| |accessdate=2012-10-13}}</ref>
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| <ref name="recovery">[http://www.cbat.eps.harvard.edu/iauc/08500/08560.html IAUC 8560: recovery of comet P/1998 W2]</ref>
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| <ref name="Yoshida-2012">{{cite web
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| |date=2012-02-21
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| |title=168P/Hergenrother (2012)
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| |publisher=Seiichi Yoshida's Comet Catalog
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| |author=Seiichi Yoshida
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| |url=http://www.aerith.net/comet/catalog/0168P/2012.html
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| |accessdate=2012-02-25}}</ref>
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| <ref name=outburst-math>[[Apparent magnitude#Calculations|Math]]: <math>(\sqrt[5]{100})^{15.2-8}\approx 758</math></ref>
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| <ref name="Faulkes">{{cite web
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| |date=October 26, 2012
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| |title=Splitting event in comet 168P/Hergenrother
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| |publisher=Remanzacco Observatory in Italy – Comets & Neo
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| |author=[[Giovanni Sostero]], [http://www.faulkes-telescope.com/team Nick Howes] & Ernesto Guido
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| |url=http://remanzacco.blogspot.it/2012/10/splitting-event-in-comet.html
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| |accessdate=2012-10-28}}</ref>
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| <ref name="badastronomy">{{cite web | |
| |date=2012-11-05
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| |title=Breaking up is easy to do. If you’re a comet.
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| |publisher=Bad Astronomy
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| |author=[[Phil Plait]]
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| |url=http://blogs.discovermagazine.com/badastronomy/2012/11/05/breaking-up-is-easy-to-do-if-youre-a-comet/
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| |accessdate=2012-11-05}}</ref>
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| }}
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| == External links ==
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| * [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=168P;orb=1 Orbital simulation] from JPL (Java) / [http://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&body_group=sb&sstr=168P Horizons Ephemeris]
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| * [http://www.aerith.net/comet/catalog/0168P/index.html 168P on Seiichi Yoshida's comet list]
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| * [http://scully.cfa.harvard.edu/cgi-bin/returnprepeph.cgi?d=c&o=0168P Elements and Ephemeris for 168P/Hergenrother] – [[Minor Planet Center]]
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| * [http://cometography.com/pcomets/168p.html 168P at Kronk's Cometography]
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| * [http://www.youtube.com/watch?v=aFcwzQe_hHc Comet 168P Hergenrother in outburst] (Google+ chat archive Oct 12, 2012)
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| * [http://transientsky.wordpress.com/2012/10/20/comet-hergenrother-in-outburst/ Comet Hergenrother in Outburst] (Carl Hergenrother : 20 Oct 2012)
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| * [http://podideployment.blogspot.co.uk/2012/10/a-comet.html Comet 168P and fragment] as seen by [[Kitt Peak National Observatory|Kitt Peak]] [[WIYN Observatory|WIYN]] {{convert|3.5|m|in|adj=on}} on 30 Oct 2012
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| * [http://www.jpl.nasa.gov/news/news.php?release=2012-349 Scientists Monitor Comet Breakup] (168P-Hergenrother was imaged by the NOAO/[[Gemini telescope]] Nov. 2, 2012)
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| {{Comets}}
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| {{PeriodicComets Navigator|167P/CINEOS|169P/NEAT}}
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| {{DEFAULTSORT:Hergenrother, 168P}}
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| [[Category:Comets]]
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| {{comet-stub}}
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The writer's name is Christy. Credit authorising is how he tends to make money. What me and my family adore is doing ballet but I've been taking on new issues recently. My spouse and I live in Kentucky.
Feel free to surf to my webpage - real psychic readings