编辑“︁C/2013 A1”︁（章节）

==参考资料==
{{reflist
| refs =
<ref name="MPEC2013-A14">{{cite web
  |date=2013-01-05
  |title=MPEC 2013-A14 : COMET C/2013 A1 (SIDING SPRING)
  |publisher=IAU Minor Planet Center
  |url=http://www.minorplanetcenter.net/mpec/K13/K13A14.html
  |accessdate=2013-02-01
  |archive-date=2013-03-01
  |archive-url=https://web.archive.org/web/20130301024411/http://www.minorplanetcenter.net/mpec/K13/K13A14.html
  |dead-url=no
  }} (CK13A010)</ref>

<ref name=jpl-close>{{cite web
  |date=2013-04-07 last obs (arc=185 days w/246 obs)
  |title=JPL Close-Approach Data: C/2013 A1 (Siding Spring)
  |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2013A1;cad=1#cad
  |accessdate=2013-04-09
  |archive-date=2013-03-23
  |archive-url=https://www.webcitation.org/6FKebc1EJ?url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2013A1;cad=1#cad
  |dead-url=no
  }}</ref>

<ref name=barycenter>{{cite web
  | author = Horizons output
  | url = http://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&body_group=sb&sstr=2013A1
  | title = Barycentric Osculating Orbital Elements for Comet C/2013 A1 (Siding Spring)
  | accessdate = 2013-04-24
  | archive-date = 2014-10-21
  | archive-url = https://web.archive.org/web/20141021105849/http://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&body_group=sb&sstr=2013A1
  | dead-url = no
  }} (Solution using the Solar System [[Center of mass#Barycenter in astrophysics and astronomy|Barycenter]] and [[Barycentric coordinates (astronomy)|barycentric coordinates]]. Select Ephemeris Type:Elements and Center:@0)</ref>

<ref name="mpc">{{cite web
  |date=2013-03-01|title=C/2013 A1 (Siding Spring) Orbit
  |publisher=[[小行星中心]]
  |url=http://www.minorplanetcenter.net/db_search/show_object?object_id=CK13A010
  |accessdate=2013-03-03
  |archive-date=2014-10-27
  |archive-url=https://web.archive.org/web/20141027170424/http://www.minorplanetcenter.net/db_search/show_object?object_id=CK13A010
  |dead-url=no
  }}</ref>

<ref name="Bell">{{cite web
  |date=26 February 2013
  |title=Comet C/2013 A1 (Siding Spring)
  |first=Charles
  |last=Bell
  |url=https://www.facebook.com/photo.php?fbid=10151255803941688
  |accessdate=2013-02-27
  |archive-date=2019-02-15
  |archive-url=https://web.archive.org/web/20190215171013/https://www.facebook.com/photo.php?fbid=10151255803941688
  |dead-url=no
  }}</ref>

<ref name="Cerny0303">{{cite web
  |date=1 March 2013
  |title=Jak je velké jádro komety C/2013 A1 (Siding Spring)?
  |first=Jakub
  |last=Černý
  |url=http://translate.google.com/translate?hl=en&sl=cs&u=http://www.kommet.cz/page.php?al=jak_je_velke_jadro_siding_spring
  |accessdate=2013-03-03
  |archive-date=2014-03-09
  |archive-url=https://web.archive.org/web/20140309090010/http://translate.google.com/translate?hl=en&sl=cs&u=http%3A%2F%2Fwww.kommet.cz%2Fpage.php%3Fal%3Djak_je_velke_jadro_siding_spring
  |dead-url=no
  }}</ref>

<ref name="Elenin0225">{{cite web
  |date=25 February 2013
  |title=Comet C/2013 A1 (Siding Spring) – a possible collision with Mars
  |publisher=SpaceObs.org blog (ISON-NM)
  |first=Leonid
  |last=Elenin
  |url=http://spaceobs.org/en/2013/02/25/comet-c2013-a1-siding-spring-a-possible-collision-with-mars/
  |accessdate=2013-02-27
  |archive-date=2013-03-02
  |archive-url=https://web.archive.org/web/20130302152456/http://spaceobs.org/en/2013/02/25/comet-c2013-a1-siding-spring-a-possible-collision-with-mars/
  |dead-url=no
  }}</ref>

<ref name="Elenin0227">{{cite web
  |date=27 February 2013
  |title=New data concerning the close approach of comet C/2013 A1 to Mars
  |publisher=SpaceObs.org blog (ISON-NM)
  |first=Leonid
  |last=Elenin
  |url=http://spaceobs.org/en/2013/02/27/new-data-concerning-the-close-approach-of-comet-c2013-a1-to-mars/
  |accessdate=2013-02-27
  |archive-date=2013-03-04
  |archive-url=https://web.archive.org/web/20130304074649/http://spaceobs.org/en/2013/02/27/new-data-concerning-the-close-approach-of-comet-c2013-a1-to-mars/
  |dead-url=no
  }}</ref>

<ref name="Elenin0303">{{cite web
 |date         = 3 March 2013
 |title        = Close approach to Mars. Up-to-date analysis
 |publisher    = SpaceObs.org blog (ISON-NM)
 |first        = Leonid
 |last         = Elenin
 |url          = http://spaceobs.org/en/2013/03/03/probability-of-collision-with-mars/
 |accessdate   = 2013-03-03
 |archive-date = 2013-03-07
 |archive-url  = https://web.archive.org/web/20130307081417/http://spaceobs.org/en/2013/03/03/probability-of-collision-with-mars/
 |dead-url     = no
}}</ref>

<ref name="Earth-impact">{{cite web
  |date=2010
  |title=Earth Impact Effects Program
  |publisher=Imperial College London / Purdue University
  |author=Robert Marcus, H. Jay Melosh, and Gareth Collins
  |url=http://impact.ese.ic.ac.uk/ImpactEffects/
  |accessdate=2013-02-04
  |archive-date=2020-01-04
  |archive-url=https://web.archive.org/web/20200104085851/https://impact.ese.ic.ac.uk/ImpactEffects/
  |dead-url=no
  }} (solution using 1000kg/m^3, 56km/s, 45 degrees)</ref>

<ref name="STEREO-HI2">{{cite web
  |date=28 February 2013
  |title=STEREO-A spacecraft has a ring-side seat of "Siding Spring v's Mars" next year
  |publisher=Sungrazing Comets
  |first=Bill
  |last=Thompson
  |url=http://twitpic.com/c7jfp3
  |accessdate=2013-02-28
  |archive-date=2013-03-03
  |archive-url=https://web.archive.org/web/20130303051916/http://twitpic.com/c7jfp3
  |dead-url=no
  }}</ref>

<ref name="nasa-26mar">{{cite web |url= http://science.nasa.gov/science-news/science-at-nasa/2013/26mar_marscomet/ |title= Collision Course? A Comet Heads for Mars |first= Tony |last= Phillips |date= 27 March 2013 |work= Science News |publisher= [[NASA]] |accessdate= 2013-03-27 |archive-date= 2013-04-05 |archive-url= https://web.archive.org/web/20130405065241/http://science.nasa.gov/science-news/science-at-nasa/2013/26mar_marscomet/ |dead-url= no }}</ref>

<ref name="NASA2013-081">{{cite web
  |date=April 12, 2013
  |title=Comet to Make Close Flyby of Red Planet in October 2014
  |publisher=NASA/JPL
  |author=DC Agle
  |url=http://www.jpl.nasa.gov/news/news.php?release=2013-081
  |accessdate=2013-04-13
  |archive-date=2013-03-08
  |archive-url=https://web.archive.org/web/20130308140413/http://www.jpl.nasa.gov/news/news.php?release=2013-081
  |dead-url=no
  }}</ref>

<ref name="CBS2013-04">{{cite web
  |date=April 1, 2013
  |title=Mars vs. comet in 2014: Scientists prepare for red planet sky show
  |publisher=CBS News
  |url=http://www.cbsnews.com/8301-205_162-57577242/mars-vs-comet-in-2014-scientists-prepare-for-red-planet-sky-show/
  |accessdate=2013-04-06
  |archive-date=2013-04-02
  |archive-url=https://web.archive.org/web/20130402213942/http://www.cbsnews.com/8301-205_162-57577242/mars-vs-comet-in-2014-scientists-prepare-for-red-planet-sky-show/
  |dead-url=no
  }}</ref>

}}