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[[Berkas:2004MN4 Sormano.gif|thumbjmpl|rightka|99942 Apophis]]
 
'''99942 Apophis''' ({{pronEng|əˈpoʊfɪs}}), adalah [[Asteroid-asteroid Dekat Bumi|asteroid dekat Bumi]] yang menyebabkan kecemasan singkat pada Desember [[2004]] karena pengamatan menandai bahwa [[asteroid]] ini akan menabrak [[Bumi]] pada tahun [[2029]]. Beberapa pengamatan memberikan prediksi yang menghapuskan kemungkinan menabraknya asteroid ini ke Bumi atau [[Bulan]] tahun 2029, namuntetapi, tetap terdapat kemungkinan bahwa selama pertemuan dekat dengan Bumi tahun 2029, Apophis akan melewati ''lubang kunci gravitasi'', wilayah di angkasa yang tidak lebih dari 400 meter, yang dapat menyebabkan tubrukan dipada masa depan pada [[13 April]] [[2036]]. Kemungkinan ini membuat asteroid ini masuk kedalam skala 1 dalam [[skala Torino]] sampai Agustus 2006. Asteroid ini memecahkan rekor skala tertinggi di [[skala Torino]], dengan mencapai skala 4 dalam waktu singkat.<ref name=nasanews146>{{cite web
|url=http://neo.jpl.nasa.gov/news/news146.html
|title=Near-Earth Asteroid 2004 MN4 Reaches Highest Score To Date On Hazard Scale
Baris 8:
|date=[[December 23]], [[2004]]
|accessdate=2007-08-16
|quote=Today's impact monitoring results indicate that the impact probability for April 13, 2029 has risen to about 1.6%, which for an object of this size corresponds to a rating of 4 on the ten-point Torino Scale.}}</ref>
|archive-date=2007-08-18
|archive-url=https://web.archive.org/web/20070818035517/http://neo.jpl.nasa.gov/news/news146.html
|dead-url=yes
}}</ref>
 
==Daftar pustakaReferensi ==
{{reflist}}
*Cooke, Bill. (2006) Fatal attraction. [[Astronomy (magazine)|''Astronomy'']], May 2006, 46-51.▼
*Fountain, Henry ([[27 November]] [[2005]]). "Saving Earth from the next heavenly blow". ''[[New Straits Times]]'', p. F24.▼
 
== Daftar pustaka ==
==Pranala luar==▼
▲* Cooke, Bill. (2006) Fatal attraction. [[Astronomy (magazine)|''Astronomy'']], May 2006, 46-51.
{{Commons|(99942) Apophis|99942 Apophis}}
▲* Fountain, Henry ([[27 November]] [[2005]]). "Saving Earth from the next heavenly blow". ''[[New Straits Times]]'', p. F24.
*[http://neo.jpl.nasa.gov/apophis/ Apophis Orbital Prediction Page at NASA JPL]▼
 
*[http://neo.jpl.nasa.gov/risk/a99942.html {{mp|2004 MN|4}} Impact Risk] (NASA JPL)
▲== Pranala luar ==
*[http://newton.dm.unipi.it/cgi-bin/neodys/neoibo?objects:Apophis;main {{mp|2004 MN|4}} page] and [http://newton.dm.unipi.it/cgi-bin/neodys/neoibo?objects:Apophis;risk {{mp|2004 MN|4}} impactor table] from [[NEODyS]]. ▼
{{Commonscat}}
*[http://www.esa.int/gsp/ACT/mad/op/AsteroidsAndNEOs/maywedeflect.htm May we deflect asteroids?] (Advanced Concepts Team) ▼
▲* [http://neo.jpl.nasa.gov/apophis/ Apophis Orbital Prediction Page at NASA JPL] {{Webarchive|url=https://web.archive.org/web/20100326030145/http://neo.jpl.nasa.gov/apophis/ |date=2010-03-26 }}
*[http://neo.jpl.nasa.gov/news/news146.html Near-Earth Asteroid {{mp|2004 MN|4}} Reaches Highest Score To Date On Hazard Scale] (JPL)
* http://neo.jpl.nasa.gov/risk/a99942.html {{Webarchive|url=https://web.archive.org/web/20130512035601/http://neo.jpl.nasa.gov/risk/a99942.html |date=2013-05-12 }} ([[Badan Penerbangan dan Antariksa Amerika Serikat|NASA]] JPL)
*[http://neo.jpl.nasa.gov/news/news148.html Possibility of an Earth Impact in 2029 Ruled Out for Asteroid {{mp|2004 MN|4}}] (JPL)
▲* [http://newton.dm.unipi.it/cgi-bin/neodys/neoibo?objects:Apophis;main {{mp|2004 MN|4}} page] and [http://newton.dm.unipi.it/cgi-bin/neodys/neoibo?objects:Apophis;risk {{mp|2004 MN|4}} impactor table] from [[NEODyS]].
*[http://neo.jpl.nasa.gov/news/news149.html Radar Observations Refine the Future Motion of Asteroid {{mp|2004 MN|4}}] (JPL)
▲* [https://web.archive.org/web/20070912093603/http://www.esa.int/gsp/ACT/mad/op/AsteroidsAndNEOs/maywedeflect.htm May we deflect asteroids?] (Advanced Concepts Team)
*[http://neo.jpl.nasa.gov/gif/mea-orbit-big.gif Animation explaining how impact risk is determined] from [http://neo.jpl.nasa.gov/cgi-bin/ip?1]
* http://neo.jpl.nasa.gov/news/news146.html {{Webarchive|url=https://web.archive.org/web/20070818035517/http://neo.jpl.nasa.gov/news/news146.html |date=2007-08-18 }} (JPL)
*[http://www.space.com/scienceastronomy/asteroid_update_B_041227.html Whew! Asteroid Won't Hit Earth in 2029, Scientists Now Say] (SPACE.com)▼
* http://neo.jpl.nasa.gov/news/news148.html {{Webarchive|url=https://web.archive.org/web/20110113071844/http://neo.jpl.nasa.gov/news/news148.html |date=2011-01-13 }} (JPL)
*[http://www.space.com/scienceastronomy/asteroid_update_041227.html Asteroid Watch: Odds of 2029 Collision Stuck at 1-in-40] (SPACE.com)▼
* http://neo.jpl.nasa.gov/news/news149.html {{Webarchive|url=https://web.archive.org/web/20070621133750/http://neo.jpl.nasa.gov/news/news149.html |date=2007-06-21 }} (JPL)
*[http://www.space.com/news/asteroid_defense_041227.html Worrisome Asteroid Underscores Planetary Defense Mission] (SPACE.com)
* [http://neo.jpl.nasa.gov/gif/mea-orbit-big.gif Animation explaining how impact risk is determined] {{Webarchive|url=https://web.archive.org/web/20080916140735/http://neo.jpl.nasa.gov/gif/mea-orbit-big.gif |date=2008-09-16 }} from [http://neo.jpl.nasa.gov/cgi-bin/ip?1] {{Webarchive|url=https://web.archive.org/web/20160106045208/http://neo.jpl.nasa.gov/cgi-bin/ip?1 |date=2016-01-06 }}
*[http://blogs.guardian.co.uk/science/2008/04/full_marks_for_effort.html Schoolboy's asteroid-strike sums are wrong]▼
▲* [http://www.space.com/scienceastronomy/asteroid_update_B_041227.html Whew! Asteroid Won't Hit Earth in 2029, Scientists Now Say] (SPACE.com)
*[http://www.mg.co.za/articlepage.aspx?area=/breaking_news/other_news/&articleid=337096&referrer=RSS Boy corrects Nasa's asteroid figures]▼
▲* [http://www.space.com/scienceastronomy/asteroid_update_041227.html Asteroid Watch: Odds of 2029 Collision Stuck at 1-in-40] (SPACE.com)
*[http://www.ctv.ca/servlet/ArticleNews/story/CTVNews/20051109/Asteroid_apophis_051109/20051109?hub=TopStories Astronauts propose 'tractor-pull' of asteroid]▼
* [http://www.space.com/spacewatchnews/050204_2004_mn4asteroid_defense_041227.html Closest Flyby of LargeWorrisome Asteroid toUnderscores bePlanetary Naked-EyeDefense VisibleMission] (2029 approachSPACE.com)
▲* [http://blogs.guardian.co.uk/science/2008/04/full_marks_for_effort.html Schoolboy's asteroid-strike sums are wrong]
*[http://skyandtelescope.com/news/article_1458_1.asp Asteroid {{mp|2004 MN|4}}: A ''Really'' Near Miss!] (''[[Sky and Telescope]]'')
▲* [http://www.mg.co.za/articlepage.aspx?area=/breaking_news/other_news/&articleid=337096&referrer=RSS Boy corrects Nasa's asteroid figures]
*[http://www.csmonitor.com/2005/0726/p01s04-stss.html An asteroid, headed our way] (Christian Science Monitor, on efforts to deflect the asteroid if needed)▼
▲* [http://www.ctv.ca/servlet/ArticleNews/story/CTVNews/20051109/Asteroid_apophis_051109/20051109?hub=TopStories Astronauts propose 'tractor-pull' of asteroid] {{Webarchive|url=https://web.archive.org/web/20090217035125/http://www.ctv.ca/servlet/ArticleNews/story/CTVNews/20051109/Asteroid_apophis_051109/20051109?hub=TopStories |date=2009-02-17 }}
*[http://www.cnn.com/2005/TECH/space/11/07/asteroid.armageddon.ap/index.html Astronauts want plan to prevent cosmic collision]▼
* [http://www.space.com/spacewatch/050204_2004_mn4.html Closest Flyby of Large Asteroid to be Naked-Eye Visible] (2029 approach)
*[http://www.aero.org/conferences/planetarydefense/2007papers/P3-4--Sherwin_Paper.pdf Probabilistic Design of a Planetary Defense System]▼
* http://skyandtelescope.com/news/article_1458_1.asp {{Webarchive|url=https://web.archive.org/web/20080905173442/http://skyandtelescope.com/news/article_1458_1.asp |date=2008-09-05 }} (''[[Sky and Telescope]]'')
▲* [http://www.csmonitor.com/2005/0726/p01s04-stss.html An asteroid, headed our way] ([[The Christian Science Monitor|Christian Science Monitor]], on efforts to deflect the asteroid if needed)
▲* [http://www.cnn.com/2005/TECH/space/11/07/asteroid.armageddon.ap/index.html Astronauts want plan to prevent cosmic collision]
▲* [http://www.aero.org/conferences/planetarydefense/2007papers/P3-4--Sherwin_Paper.pdf Probabilistic Design of a Planetary Defense System] {{Webarchive|url=https://web.archive.org/web/20080228182001/http://www.aero.org/conferences/planetarydefense/2007papers/P3-4--Sherwin_Paper.pdf |date=2008-02-28 }}
* {{cite web
| last=Chandler | first=David | date=October 13, 2007
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[[Kategori:Asteroid dekat-bumi]]
 
 
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