|
|
m Removed improper external authorlink
|
||
| Line 23: | Line 23: | ||
| refs = |
| refs = |
||
<ref name="NK1778">{{cite web |
<ref name="NK1778">{{cite web |
||
|
|date=2009-04-23 |
||
|
|title=168P/Hergenrother (NK 1778) |
||
|
|publisher=OAA Computing and Minor Planet Sections |
||
|
|author=Syuichi Nakano |
||
|
|author-link=Syuichi Nakano |
||
|
|url=http://www.oaa.gr.jp/~oaacs/nk/nk1778.htm |
||
|
|accessdate=2012-02-20 |
||
}}</ref> |
|||
<ref name="NK2283">{{cite web |
<ref name="NK2283">{{cite web |
||
|
|date=2012-07-17 |
||
|
|title=168P/Hergenrother (NK 2283) |
||
|
|publisher=OAA Computing and Minor Planet Sections |
||
|
|author=Syuichi Nakano |
||
|
|author-link=Syuichi Nakano |
||
|
|url=http://www.oaa.gr.jp/~oaacs/nk/nk2283.htm |
||
|
|accessdate=2012-10-13 |
||
}}</ref> |
|||
<ref name="recovery">[http://www.cbat.eps.harvard.edu/iauc/08500/08560.html IAUC 8560: recovery of comet P/1998 W2]</ref> |
<ref name="recovery">[http://www.cbat.eps.harvard.edu/iauc/08500/08560.html IAUC 8560: recovery of comet P/1998 W2]</ref> |
||
<ref name="Yoshida-2012">{{cite web |
<ref name="Yoshida-2012">{{cite web |
||
|
|date=2012-02-21 |
||
|
|title=168P/Hergenrother (2012) |
||
|
|publisher=Seiichi Yoshida's Comet Catalog |
||
|
|author=Seiichi Yoshida |
||
|
|url=http://www.aerith.net/comet/catalog/0168P/2012.html |
||
|
|accessdate=2012-02-25 |
||
}}</ref> |
|||
<ref name=outburst-math>[[Apparent magnitude#Calculations|Math]]: <math>(\sqrt[5]{100})^{15.2-8}\approx 758</math></ref> |
<ref name=outburst-math>[[Apparent magnitude#Calculations|Math]]: <math>(\sqrt[5]{100})^{15.2-8}\approx 758</math></ref> |
||
<ref name="Faulkes">{{cite web |
<ref name="Faulkes">{{cite web |
||
|
|date=October 26, 2012 |
||
|
|title=Splitting event in comet 168P/Hergenrother |
||
|
|publisher=Remanzacco Observatory in Italy – Comets & Neo |
||
|
|author=Giovanni Sostero |
||
|
|author-link=Giovanni Sostero |
||
|
|author2=Nick Howes |
||
|
|author2-link= |
||
|
|author3=Ernesto Guido |
||
|
|url=http://remanzacco.blogspot.it/2012/10/splitting-event-in-comet.html |
||
|
|accessdate=2012-10-28 |
||
}}</ref> |
|||
<ref name="badastronomy">{{cite web |
<ref name="badastronomy">{{cite web |
||
|
|date=2012-11-05 |
||
|
|title=Breaking up is easy to do. If you’re a comet. |
||
|
|publisher=Bad Astronomy |
||
|
|author=Phil Plait |
||
|
|author-link=Phil Plait |
||
|
|url=http://blogs.discovermagazine.com/badastronomy/2012/11/05/breaking-up-is-easy-to-do-if-youre-a-comet/ |
||
|
|accessdate=2012-11-05 |
||
}}</ref> |
|||
<ref name=MPC>{{cite web |
<ref name=MPC>{{cite web |
||
|
|title=168P/Hergenrother Orbit |
||
|
|url=http://www.minorplanetcenter.net/db_search/show_object?object_id=168P |
||
|
|publisher=[[Minor Planet Center]] |
||
|
|accessdate=2014-06-20 |
||
}}</ref> |
|||
}} |
}} |
||
| Discovery | |
|---|---|
| Discovered by | Carl W. Hergenrother |
| Discovery date | November 22, 1998 |
| Designations | |
| P/1998 W2 P/2005 N2 | |
| Orbital characteristics | |
| Epoch | March 6, 2006 |
| Aphelion | 5.839 AU |
| Perihelion | 1.426 AU |
| Semi-major axis | 3.632 AU |
| Eccentricity | 0.6075 |
| Orbital period | 6.923 a |
| Inclination | 21.8934° |
| Last perihelion | October 1, 2012[1] November 2, 2005 |
| Next perihelion | August 5, 2019[2][3] |
168P/Hergenrother is a periodic comet in the solar system. The comet originally named P/1998 W2 returned in 2005 and got the temporary name P/2005 N2.[4]
The comet came to perihelion on 1 October 2012,[1] and was expected to reach about apparent magnitude 15.2, but due to an outburst the comet reached apparent magnitude 8.[5] 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.[6] Images by the 2 m (79 in) Faulkes Telescope North on 26 October 2012 confirm a fragmentation event.[7] The secondary fragment was about magnitude 17. Further observations by the 8.1 m (320 in) Gemini telescope show that the comet fragmented into at least 4 parts.[8]
![{\displaystyle ({\sqrt[{5}]{100}})^{15.2-8}\approx 758}](https://wikimedia.org/api/rest_v1/media/math/render/svg/b7f0eead17b768506983eda9da2f7d51117084c5)
| Numbered comets | ||
|---|---|---|
| Previous 167P/CINEOS |
168P/Hergenrother | Next 169P/NEAT |
 | This comet-related article is a stub. You can help Wikipedia by expanding it. |
