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Baris 3: Baris 3:
|bgcolour = #FFFFC0
|bgcolour = #FFFFC0
|name = Haumea
|name = Haumea
|image = [[Berkas:2003EL61art.jpg|300px|Haumea]]
|symbol = [[Berkas:Haumea symbol (bold).svg|24px|🝻]]
|image = [[Berkas:Haumea Hubble.png|frameless|center|Haumea dan dua bulannya]]
|caption = Haumea
|caption = Haumea dan dua bulannya
|discovery = yes
|discovery = yes
|discoverer= [[Michael E. Brown|Brown]] ''et al.''; [[José Luis Ortiz Moreno|Ortiz]] ''et al.'' (tak ada yang resmi)
|discoverer= [[Michael E. Brown|Brown]] ''et al.''; [[José Luis Ortiz Moreno|Ortiz]] ''et al.'' (tak ada yang resmi)
Baris 12: Baris 13:
|mp_category=[[planet katai]], [[plutoid]], [[objek trans-Neptunus|TNO]] <span style="white-space:nowrap;">(dihilangkan dari [[cubewano]])</span><ref name="K09A63">{{cite web
|mp_category=[[planet katai]], [[plutoid]], [[objek trans-Neptunus|TNO]] <span style="white-space:nowrap;">(dihilangkan dari [[cubewano]])</span><ref name="K09A63">{{cite web
|title=Minor Planet Electronic Circular 2009-A63 : Distant Minor Planets (2009 JAN. 29.0 TT)
|title=Minor Planet Electronic Circular 2009-A63 : Distant Minor Planets (2009 JAN. 29.0 TT)
|date=2009-01-13|publisher=Minor Planet Center
|date=2009-01-13
|publisher=Minor Planet Center
|url=http://www.cfa.harvard.edu/mpec/K09/K09A63.html
|url=http://www.cfa.harvard.edu/mpec/K09/K09A63.html
|accessdate=2009-02-03
|accessdate=2009-02-03
|format=[http://cfa-www.harvard.edu/iau/mpec/K06/K06X45.html 2006 provisional Cubewano listing]}}</ref><ref name="Buie">
|format=[http://cfa-www.harvard.edu/iau/mpec/K06/K06X45.html 2006 provisional Cubewano listing]
|archive-date=2012-04-18
{{cite web
|archive-url=https://web.archive.org/web/20120418231315/http://www.minorplanetcenter.net/iau/mpec/K09/K09A63.html
|dead-url=no
}}</ref><ref name="Buie">{{cite web
|author=[[Marc W. Buie]]
|author=[[Marc W. Buie]]
|date=2008-06-25
|date=2008-06-25
Baris 22: Baris 27:
|publisher=Southwest Research Institute (Space Science Department)
|publisher=Southwest Research Institute (Space Science Department)
|url=http://www.boulder.swri.edu/~buie/kbo/astrom/136108.html
|url=http://www.boulder.swri.edu/~buie/kbo/astrom/136108.html
|accessdate=2008-10-02}}</ref>{{br}}[[Resonan objek trans-Neptunus|resonansi 12:7]] orde kelima<ref name="candidate">
|accessdate=2008-10-02
|archive-date=2011-05-18
{{cite journal
|archive-url=https://web.archive.org/web/20110518005546/http://www.boulder.swri.edu/~buie/kbo/astrom/136108.html
|dead-url=no
}}</ref>{{br}}[[Resonan objek trans-Neptunus|resonansi 12:7]] orde kelima<ref name="candidate">{{cite journal
|title=Candidate Members and Age Estimate of the Family of Kuiper Belt Object {{mp|2003 EL|61}}
|title=Candidate Members and Age Estimate of the Family of Kuiper Belt Object {{mp|2003 EL|61}}
|author=D. Ragozzine; M. E. Brown
|author=D. Ragozzine; M. E. Brown
|journal=The Astronomical Journal
|journal=The Astronomical Journal
|volume=134|issue=6|pages= 2160–2167
|volume=134
|issue=6
|pages=2160–2167
|date=2007-09-04
|date=2007-09-04
|url=http://adsabs.harvard.edu/abs/2007arXiv0709.0328R
|url=http://adsabs.harvard.edu/abs/2007arXiv0709.0328R
|accessdate=2008-09-19
|accessdate=2008-09-19
|doi=10.1086/522334}}</ref>
|doi=10.1086/522334
|archive-date=2016-06-03
|archive-url=https://web.archive.org/web/20160603223327/http://adsabs.harvard.edu/abs/2007arXiv0709.0328R
|dead-url=no
⚫
}}</ref>
|orbit_ref = <ref name="jpldata" />
|orbit_ref = <ref name="jpldata" />
|epoch= 30 November 2008 ([[hari Julian]] 2454800,5)
|epoch= 30 November 2008 ([[hari Julian]] 2454800,5)
Baris 54: Baris 68:
|volume=639|issue=2|pages=1238–1251
|volume=639|issue=2|pages=1238–1251
|format=[http://arxiv.org/abs/astro-ph/0509401 preprint on arXiv]|doi=10.1086/499575}}
|format=[http://arxiv.org/abs/astro-ph/0509401 preprint on arXiv]|doi=10.1086/499575}}
</ref> {{br}}([[rataan geometrik|≈1.436 km]]){{br}}1.150 <sup>+250</sup> km ([[teleskop Spitzer|Spitzer]])<ref name="spitzer">
</ref> {{br}}([[rataan geometrik|≈1.436 km]]){{br}}1.150 <sup>+250</sup> km ([[teleskop Spitzer|Spitzer]])<ref name="spitzer">{{cite web
{{cite web
|title=Physical Properties of Kuiper Belt and Centaur Objects: Constraints from Spitzer Space Telescope
|title=Physical Properties of Kuiper Belt and Centaur Objects: Constraints from Spitzer Space Telescope
|author=John Stansberry, Will Grundy, Mike Brown, Dale Cruikshank, John Spencer, David Trilling, Jean-Luc Margot
|author=John Stansberry, Will Grundy, Mike Brown, Dale Cruikshank, John Spencer, David Trilling, Jean-Luc Margot
Baris 61: Baris 74:
|url=http://arxiv.org/abs/astro-ph/0702538v2
|url=http://arxiv.org/abs/astro-ph/0702538v2
|date=2007-02-20
|date=2007-02-20
|accessdate=2008-07-27}}</ref>
|accessdate=2008-07-27
|archive-date=2016-10-09
|archive-url=https://web.archive.org/web/20161009163720/https://arxiv.org/abs/astro-ph/0702538v2
|dead-url=no
}}</ref>
|radius=≈980&nbsp;×&nbsp;759&nbsp;×&nbsp;498 km (≈750 km)
|radius=≈980&nbsp;×&nbsp;759&nbsp;×&nbsp;498 km (≈750 km)
|surface_area=≈2{{e|7}} [[kilometer persegi|km<sup>2</sup>]]
|surface_area=≈2{{e|7}} [[kilometer persegi|km<sup>2</sup>]]
|volume=
|volume=
|mass=(4,006 ± 0,040){{e|21}} [[kilogram|kg]]<ref name="Ragozzine&Brown2009">
|mass=(4,006 ± 0,040){{e|21}} [[kilogram|kg]]<ref name="Ragozzine&Brown2009">{{cite journal
{{cite journal
|last=Ragozzine
|last=Ragozzine
|first=D.
|first=D.
|coauthors=Brown, M.E.
|coauthors=Brown, M.E.
|date=2009
|date=2009
|title=Orbits and Masses of the Satellites of the Dwarf Planet Haumea = 2003 EL61
|title=Orbits and Masses of the Satellites of the Dwarf Planet Haumea = 2003 EL61
|journal=The Astronomical Journal
|journal=The Astronomical Journal
|url=http://arxiv.org/abs/0903.4213}}
|url=http://arxiv.org/abs/0903.4213
|access-date=2009-05-12
⚫
</ref>
|archive-date=2022-10-28
|archive-url=https://web.archive.org/web/20221028003656/http://arxiv.org/abs/0903.4213
|dead-url=no
}}</ref>
|density=2,6–3,3 g/[[sentimeter kubik|cm³]]<ref name="Rabinowitz2005"/>
|density=2,6–3,3 g/[[sentimeter kubik|cm³]]<ref name="Rabinowitz2005"/>
|surface_grav=0,44 m/s²
|surface_grav=0,44 m/s²
|escape_velocity=0,84 km/s
|escape_velocity=0,84 km/s
|sidereal_day=0,163&nbsp;146&nbsp;±&nbsp;0,000&nbsp;004 h{{br}}(3,915&nbsp;5&nbsp;±&nbsp;0,000&nbsp;1 j)<ref name="hour">
|sidereal_day=0,163&nbsp;146&nbsp;±&nbsp;0,000&nbsp;004 h{{br}}(3,915&nbsp;5&nbsp;±&nbsp;0,000&nbsp;1 j)<ref name="hour">{{cite journal
{{cite journal
|title=High-Precision Photometry of Extreme KBO 2003 EL61
|title=High-Precision Photometry of Extreme KBO 2003 EL61
|author=Pedro Lacerda, David Jewitt and Nuno Peixinho
|author=Pedro Lacerda, David Jewitt and Nuno Peixinho
|date=2008-04-02 |journal=The Astronomical Journal
|date=2008-04-02
|journal=The Astronomical Journal
|volume= 135 |pages=1749–1756
|volume=135
|pages=1749–1756
|url=http://www.iop.org/EJ/abstract/1538-3881/135/5/1749
|url=http://www.iop.org/EJ/abstract/1538-3881/135/5/1749
|accessdate=2008-09-22 |doi=10.1088/0004-6256/135/5/1749}}</ref>
|accessdate=2008-09-22
|doi=10.1088/0004-6256/135/5/1749
|archive-date=2020-05-11
|archive-url=https://web.archive.org/web/20200511174835/https://hkvalidate.perfdrive.com/captcha?ssa=d100e089-e0a8-46b1-b2bf-689b5365ec41&ssb=64zm3m0dgdh6im44klgchgzmd&ssc=http%3A%2F%2Fiopscience.iop.org%2F%2Fabstract%2F1538-3881%2F135%2F5%2F1749&ssd=166792861026451&sse=jf%40f%40ammepjkppb&ssf=6b72fa3c9f612d4213d2ff4654a1c777486333c1&ssg=b9f568f8-7538-44de-a6f6-6f8dfec8c12a&ssh=a51051be-6ae4-4b87-997d-7dd6b66dbeac&ssi=d39da3c3-8427-4549-84d4-28b15eafb1bc&ssj=01a53d23-c7ea-4372-a930-84997b7470ec&ssk=support%40shieldsquare.com&ssl=006665034040&ssm=04074166802434092108065763560772&ssn=3ea2b7d835b51d06c85308b990308f630022a1d567bb-d922-4e12-b7c008&sso=1c586636-44737ddebefab59c4296944173171afd3b424b9846579d88&ssp=92848774861589221168158922803833385&ssq=21665731931443509724419314921061671828681&ssr=MjA3LjI0MS4yMjUuMTYw&sss=Chrome%2F5.0%20%28iPhone%3B%20U%3B%20CPU%20iPhone%20OS%203_0%20like%20Mac%20OS%20X%3B%20en-us%29%20AppleWebKit%2F528.18%20%28KHTML%2C%20like%20Gecko%29%20Version%2F4.0%20Mobile%2F7A341%20Safari%2F528.16&sst=Mozilla%2F5.0%20%28Windows%20NT%2010.0%3B%20Win64%3B%20x64%29%20AppleWebKit%2F537.36%20%28KHTML%2C%20like%20Gecko%29%20Chrome%2F74.0.3729.169%20Safari%2F537.36&ssu=Mozilla%2F4.0%20%28Windows%20NT%205.1%29%20AppleWebKit%2F535.7%20%28KHTML%2Clike%20zeco%29%20Chrome%2F33.0.1750.154%20Safari%2F536.7&ssv=3tmsrmq1lsnqmvm&ssw=&ssx=393044951461425&ssy=chdgnchdcajkidhbnhkjgmp%40lboiheflopndkp%40n&ssz=0d4e9450ffb2729
|dead-url=yes
}}</ref>
|spectral_type=?
|spectral_type=?
|magnitude = 17,3 (oposisi)<ref name=AstDys>{{cite web
|magnitude = 17,3 (oposisi)<ref name=AstDys>{{cite web
Baris 91: Baris 117:
|publisher=Department of Mathematics, University of Pisa, Italy
|publisher=Department of Mathematics, University of Pisa, Italy
|url=http://hamilton.dm.unipi.it/astdys/index.php?pc=1.1.3.0&n=Haumea
|url=http://hamilton.dm.unipi.it/astdys/index.php?pc=1.1.3.0&n=Haumea
|accessdate=2009-03-19}}</ref><ref name="Horizons">
|accessdate=2009-03-19
|archive-date=2011-06-29
{{cite web
|archive-url=https://web.archive.org/web/20110629202435/http://hamilton.dm.unipi.it/astdys/index.php?pc=1.1.3.0&n=Haumea
⚫
|title=HORIZONS Web-Interface
|dead-url=no
}}</ref><ref name="Horizons">{{cite web
⚫
|title=HORIZONS Web-Interface
|publisher=[http://ssd.jpl.nasa.gov NASA Jet Propulsion Laboratory Solar System Dynamics]
|publisher=[http://ssd.jpl.nasa.gov NASA Jet Propulsion Laboratory Solar System Dynamics]
|url=http://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&body_group=sb&sstr=2003EL61
|url=http://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&body_group=sb&sstr=2003EL61
|accessdate=2008-07-02}}</ref>
|accessdate=2008-07-02
|archive-date=2008-07-18
⚫
|abs_magnitude=0,17<ref name="jpldata">
|archive-url=https://web.archive.org/web/20080718195959/http://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&body_group=sb&sstr=2003EL61
{{cite web
|dead-url=no
}}</ref>
⚫
|abs_magnitude=0,17<ref name="jpldata">{{cite web
|date=2008-05-10 last obs
|date=2008-05-10 last obs
|title=Jet Propulsion Laboratory Small-Body Database Browser: 136108 Haumea ({{mp|2003 EL|61}})
|title=Jet Propulsion Laboratory Small-Body Database Browser: 136108 Haumea ({{mp|2003 EL|61}})
|publisher=NASA's Jet Propulsion Laboratory
|publisher=NASA's Jet Propulsion Laboratory
|url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=136108
|url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=136108
|accessdate=2008-06-11}}</ref>
|accessdate=2008-06-11
|archive-date=2015-12-27
|archive-url=https://web.archive.org/web/20151227152421/http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=136108
|dead-url=no
}}</ref>
|albedo=0,7&nbsp;±&nbsp;0,1<ref name="Rabinowitz2005"/>{{br}}0,84 <sup>+0.1</sup><ref name="spitzer"/>
|albedo=0,7&nbsp;±&nbsp;0,1<ref name="Rabinowitz2005"/>{{br}}0,84 <sup>+0.1</sup><ref name="spitzer"/>
|single_temperature=<50&nbsp;[[kelvin|K]]<ref name="Trujillo 2006">
|single_temperature=<50&nbsp;[[kelvin|K]]<ref name="Trujillo 2006">
Baris 116: Baris 152:
}}
}}


'''Haumea''' ({{pron-en|haʊˈmeɪə}} ''how-<small>MAY</small>-ə''), secara resmi disebut '''(136108) Haumea''' dan sebutan sementara '''(136108) 2003 EL61''' adalah [[planet katai]] di [[sabuk Kuiper]], secara kasar sekitar sepertiga massa [[Pluto]], ditemukan oleh tim [[Michael E. Brown|Mike Brown]] di [[Caltech]] di [[Amerika Serikat]] atau [[José Luis Ortiz Moreno|J. L. Ortiz]] et al. dari Instituto de Astrofísica de Andalucía di [[Observatorium Sierra Nevada]] di [[Spanyol]] (masih merupakan kontroversi). [[Minor Planet Center]] menyatakan grup Ortiz sebagai penemu karena merupakan yang pertama mengumumkan objek tersebut. Pada tanggal 17 September 2008, Haumea diklasifikasikan sebagai planet katai oleh IAU.
'''Haumea''' ([[Simbol planet|simbol]]: [[File:Haumea symbol (fixed width).svg|16px|🝻]];<ref>{{cite web |url= https://www.jpl.nasa.gov/infographics/what-is-a-dwarf-planet |author= JPL/NASA |date= 2015-04-22 |website= Jet Propulsion Laboratory |title= What is a Dwarf Planet? |access-date= 2022-01-19 |archive-date= 2021-01-19 |archive-url= https://web.archive.org/web/20210119181743/https://www.jpl.nasa.gov/infographics/what-is-a-dwarf-planet |dead-url= no }}</ref> {{pron-en|haʊˈmeɪə}} ''how-<small>MAY</small>-ə''), secara resmi disebut '''(136108) Haumea''' dan sebutan sementara '''(136108) 2003 EL61''' adalah [[planet katai]] di [[sabuk Kuiper]], secara kasar sekitar sepertiga massa [[Pluto]], ditemukan oleh tim [[Michael E. Brown|Mike Brown]] di [[Caltech]] di [[Amerika Serikat]] atau [[José Luis Ortiz Moreno|J. L. Ortiz]] et al. dari Instituto de Astrofísica de Andalucía di [[Observatorium Sierra Nevada]] di [[Spanyol]] (masih merupakan kontroversi). [[Minor Planet Center]] menyatakan grup Ortiz sebagai penemu karena merupakan yang pertama mengumumkan objek tersebut. Pada tanggal 17 September 2008, Haumea diklasifikasikan sebagai planet katai oleh IAU. Haumea dikitari oleh dua satelit alami yang diberi nama Namaka, dan Hi'iaka, keduanya merupakan asteroid yang terperangkap oleh medan gravitasi Haumea. Haumea tergolong planet katai unik, karena memiliki bentuk elips. Haumea diperkirakan mempunyai luas permukaan sekitar 2×10^7 km2 atau 20,000,000 km2 yang berarti bahwa Haumea memiliki luas permukaan yang hanya sedikit lebih besar dari Negara Rusia.

[[File:Haumea_and_two_moons_art.png|220x124px|thumb|right|alt=Ilustrasi Haumea|Haumea]]


== Nama ==
== Nama ==
Baris 134: Baris 172:


== Pranala luar ==
== Pranala luar ==
* [http://neo.jpl.nasa.gov/orbits/2003el61.html NASA visualization of the orbit]
* [http://neo.jpl.nasa.gov/orbits/2003el61.html NASA visualization of the orbit] {{Webarchive|url=https://web.archive.org/web/20050730233353/http://neo.jpl.nasa.gov/orbits/2003el61.html |date=2005-07-30 }}
* [http://www.johnstonsarchive.net/astro/astmoons/am-136108.html Updated data]
* [http://www.johnstonsarchive.net/astro/astmoons/am-136108.html Updated data] {{Webarchive|url=https://web.archive.org/web/20171221043516/http://www.johnstonsarchive.net/astro/astmoons/am-136108.html |date=2017-12-21 }}
* ''Space.com'' story: [http://www.space.com/scienceastronomy/050729_large_object.html Large new world discovered beyond Neptune]
* ''Space.com'' story: [http://www.space.com/scienceastronomy/050729_large_object.html Large new world discovered beyond Neptune] {{Webarchive|url=https://web.archive.org/web/20050731013940/http://www.space.com/scienceastronomy/050729_large_object.html |date=2005-07-31 }}
* ''New Scientist'' story: [http://www.newscientist.com/article.ns?id=dn7751 New world found in outer solar system]
* ''New Scientist'' story: [http://www.newscientist.com/article.ns?id=dn7751 New world found in outer solar system] {{Webarchive|url=https://web.archive.org/web/20080921045209/http://www.newscientist.com/article.ns?id=dn7751 |date=2008-09-21 }}
* ''BBC'' story: [http://news.bbc.co.uk/2/hi/science/nature/4726733.stm Distant object found orbiting Sun]
* ''BBC'' story: [http://news.bbc.co.uk/2/hi/science/nature/4726733.stm Distant object found orbiting Sun] {{Webarchive|url=https://web.archive.org/web/20060212203410/http://news.bbc.co.uk/2/hi/science/nature/4726733.stm |date=2006-02-12 }}
* [http://skyandtelescope.com/news/article_1560_1.asp Astronomers Discover "10th Planet"] - [[Sky & Telescope]] article describing the discovery of {{mp|(136108) 2003 EL|61}} and 136199 Eris.
* [http://skyandtelescope.com/news/article_1560_1.asp Astronomers Discover "10th Planet"] {{Webarchive|url=https://web.archive.org/web/20081203171208/http://skyandtelescope.com/news/article_1560_1.asp |date=2008-12-03 }} - [[Sky & Telescope]] article describing the discovery of {{mp|(136108) 2003 EL|61}} and 136199 Eris.
* [http://www.gps.caltech.edu/~mbrown/2003EL61/ Michael Brown's webpage]
* [http://www.gps.caltech.edu/~mbrown/2003EL61/ Michael Brown's webpage] {{Webarchive|url=https://web.archive.org/web/20050801000556/http://www.gps.caltech.edu/~mbrown/2003EL61/ |date=2005-08-01 }}
* ''New Scientist'' story: [http://www.newscientistspace.com/article.ns?id=dn7968 Distant solar system body may be cigar-shaped]
* ''New Scientist'' story: [http://www.newscientistspace.com/article.ns?id=dn7968 Distant solar system body may be cigar-shaped] {{Webarchive|url=https://web.archive.org/web/20220408035913/http://www.newscientistspace.com/article.ns?id=dn7968 |date=2022-04-08 }}
* ''BBC'' story: [http://news.bbc.co.uk/2/hi/science/nature/4230056.stm Record spin rate for cosmic body]
* ''BBC'' story: [http://news.bbc.co.uk/2/hi/science/nature/4230056.stm Record spin rate for cosmic body] {{Webarchive|url=https://web.archive.org/web/20220815210812/http://news.bbc.co.uk/2/hi/science/nature/4230056.stm |date=2022-08-15 }}
* ''news @ nature.com'' story: [http://www.nature.com/news/2005/050905/full/050905-17.html Cosmic 'cigar' spins at astonishing pace; Pluto's neighbour has a very unexpected shape], September 9, 2005.
* ''news @ nature.com'' story: [http://www.nature.com/news/2005/050905/full/050905-17.html Cosmic 'cigar' spins at astonishing pace; Pluto's neighbour has a very unexpected shape] {{Webarchive|url=https://web.archive.org/web/20210125135329/http://www.nature.com/news/2005/050905/full/050905-17.html |date=2021-01-25 }}, September 9, 2005.
* ''New York Times'' story: [http://www.nytimes.com/2005/09/13/science/space/13plan.html?ex=1284264000&en=7f5f96302a67ae30&ei=5090 "One find, two astronomers"], September 13, 2005.
* ''New York Times'' story: [http://www.nytimes.com/2005/09/13/science/space/13plan.html?ex=1284264000&en=7f5f96302a67ae30&ei=5090 "One find, two astronomers"] {{Webarchive|url=https://web.archive.org/web/20130104144831/http://www.nytimes.com/2005/09/13/science/space/13plan.html?ex=1284264000&en=7f5f96302a67ae30&ei=5090 |date=2013-01-04 }}, September 13, 2005.
* S.C. Tegler, W. Grundy, W. Romanishin, G. Consolmagno, K. Mogren, F. Vilas: ''Optical Spectroscopy of the Large Kuiper Belt Objects 136472 (2005 FY9) and 136108 (2003 EL61).'' [http://arXiv.org/abs/astro-ph/0611135 Preprint]
* S.C. Tegler, W. Grundy, W. Romanishin, G. Consolmagno, K. Mogren, F. Vilas: ''Optical Spectroscopy of the Large Kuiper Belt Objects 136472 (2005 FY9) and 136108 (2003 EL61).'' [http://arXiv.org/abs/astro-ph/0611135 Preprint] {{Webarchive|url=https://web.archive.org/web/20230207112044/https://arxiv.org/abs/astro-ph/0611135 |date=2023-02-07 }}
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{{Cincin planet}}{{Tata surya}}

⚫
{{Tata surya}}
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{{CentaurTNO-stub}}


[[Kategori:Planet katai]]
[[Kategori:Planet katai]]
[[Kategori:Objek trans-Neptunus]]
[[Kategori:Objek trans-Neptunus]]
[[Kategori:Cincin planet]]
[[Kategori:Objek astronomi yang ditemukan tahun 2004]]


⚫
{{CentaurTNO-stub}}

Revisi terkini sejak 22 Mei 2024 07.25

"Haumea" beralih ke halaman ini. Untuk kegunaan lain, lihat Haumea (disambiguasi).
Haumea 🝻
Haumea dan dua bulannya
Haumea dan dua bulannya
Haumea dan dua bulannya
Penemuan
Ditemukan olehBrown et al.; Ortiz et al. (tak ada yang resmi)
Tanggal penemuan28 Desember 2004 (Brown et al.); Juli 2005 (Ortiz et al.)
Penamaan
Penamaan
(136108) Haumea
2003 EL61
planet katai, plutoid, TNO (dihilangkan dari cubewano)[1][2]
resonansi 12:7 orde kelima[3]
Ciri-ciri orbit[4]
Epos 30 November 2008 (hari Julian 2454800,5)
Aphelion7.710 Gm
51,544 sa
Perihelion5.194 Gm
34,721 sa
6.452 Gm
43,132 sa
Eksentrisitas0,195 01
103 468 hari (283,28 tahun)
Kecepatan orbit rata-rata
4,484 km/det
202,67°
Inklinasi28,22°
121,10°
239,18°
satelit yang diketahui2
Ciri-ciri fisik
Dimensi≈1.960 × 1.518 × 996 km (Keck)[5]
(≈1.436 km)
1.150 +250 km (Spitzer)[6]
≈2×107 km2
Massa(4,006 ± 0,040)×1021 kg[7]
Massa jenis rata-rata
2,6–3,3 g/cm³[5]
0,44 m/s²
0,84 km/s
0,163 146 ± 0,000 004 h
(3,915 5 ± 0,000 1 j)[8]
Albedo0,7 ± 0,1[5]
0,84 +0.1[6]
Suhu<50 K[9]
Pola spektrum
?
17,3 (oposisi)[10][11]
0,17[4]

Haumea (simbol: 🝻;[12] pengucapan bahasa Inggris: [haʊˈmeɪə] how-MAY-ə), secara resmi disebut (136108) Haumea dan sebutan sementara (136108) 2003 EL61 adalah planet katai di sabuk Kuiper, secara kasar sekitar sepertiga massa Pluto, ditemukan oleh tim Mike Brown di Caltech di Amerika Serikat atau J. L. Ortiz et al. dari Instituto de Astrofísica de Andalucía di Observatorium Sierra Nevada di Spanyol (masih merupakan kontroversi). Minor Planet Center menyatakan grup Ortiz sebagai penemu karena merupakan yang pertama mengumumkan objek tersebut. Pada tanggal 17 September 2008, Haumea diklasifikasikan sebagai planet katai oleh IAU. Haumea dikitari oleh dua satelit alami yang diberi nama Namaka, dan Hi'iaka, keduanya merupakan asteroid yang terperangkap oleh medan gravitasi Haumea. Haumea tergolong planet katai unik, karena memiliki bentuk elips. Haumea diperkirakan mempunyai luas permukaan sekitar 2×10^7 km2 atau 20,000,000 km2 yang berarti bahwa Haumea memiliki luas permukaan yang hanya sedikit lebih besar dari Negara Rusia.

Ilustrasi Haumea
Haumea

Nama[sunting | sunting sumber]

Nama Haumea berasal dari salah satu nama dewi pada mitologi Hawaii[13]

Referensi[sunting | sunting sumber]

  1. ^ "Minor Planet Electronic Circular 2009-A63 : Distant Minor Planets (2009 JAN. 29.0 TT)" (2006 provisional Cubewano listing). Minor Planet Center. 2009-01-13. Diarsipkan dari versi asli tanggal 2012-04-18. Diakses tanggal 2009-02-03. 
  2. ^ Marc W. Buie (2008-06-25). "Orbit Fit and Astrometric record for 136108". Southwest Research Institute (Space Science Department). Diarsipkan dari versi asli tanggal 2011-05-18. Diakses tanggal 2008-10-02. 
  3. ^ D. Ragozzine; M. E. Brown (2007-09-04). "Candidate Members and Age Estimate of the Family of Kuiper Belt Object 2003 EL61". The Astronomical Journal. 134 (6): 2160–2167. doi:10.1086/522334. Diarsipkan dari versi asli tanggal 2016-06-03. Diakses tanggal 2008-09-19. 
  4. ^ a b "Jet Propulsion Laboratory Small-Body Database Browser: 136108 Haumea (2003 EL61)". NASA's Jet Propulsion Laboratory. 2008-05-10 last obs. Diarsipkan dari versi asli tanggal 2015-12-27. Diakses tanggal 2008-06-11. 
  5. ^ a b c D. L. Rabinowitz, K. M. Barkume, M. E. Brown, H. G. Roe, M. Schwartz, S. W. Tourtellotte, C. A. Trujillo (2006). "Photometric Observations Constraining the Size, Shape, and Albedo of 2003 EL61, a Rapidly Rotating, Pluto-Sized Object in the Kuiper Belt". The Astrophysical Journal (preprint on arXiv). 639 (2): 1238–1251. doi:10.1086/499575. 
  6. ^ a b John Stansberry, Will Grundy, Mike Brown, Dale Cruikshank, John Spencer, David Trilling, Jean-Luc Margot (2007-02-20). "Physical Properties of Kuiper Belt and Centaur Objects: Constraints from Spitzer Space Telescope". University of Arizona, Lowell Observatory, California Institute of Technology, NASA Ames Research Center, Southwest Research Institute, Cornell University. Diarsipkan dari versi asli tanggal 2016-10-09. Diakses tanggal 2008-07-27. 
  7. ^ Ragozzine, D. (2009). "Orbits and Masses of the Satellites of the Dwarf Planet Haumea = 2003 EL61". The Astronomical Journal. Diarsipkan dari versi asli tanggal 2022-10-28. Diakses tanggal 2009-05-12. 
  8. ^ Pedro Lacerda, David Jewitt and Nuno Peixinho (2008-04-02). "High-Precision Photometry of Extreme KBO 2003 EL61". The Astronomical Journal. 135: 1749–1756. doi:10.1088/0004-6256/135/5/1749. Diarsipkan dari versi asli tanggal 2020-05-11. Diakses tanggal 2008-09-22. 
  9. ^ Chadwick A. Trujillo, Michael E. Brown, Kristina Barkume, Emily Shaller, David L. Rabinowitz (February 2007). "The Surface of 2003 EL61 in the Near Infrared". The Astrophysical Journal (preprint). 655: 1172–1178. doi:10.1086/509861. 
  10. ^ "AstDys (136108) Haumea Ephemerides". Department of Mathematics, University of Pisa, Italy. Diarsipkan dari versi asli tanggal 2011-06-29. Diakses tanggal 2009-03-19. 
  11. ^ "HORIZONS Web-Interface". NASA Jet Propulsion Laboratory Solar System Dynamics. Diarsipkan dari versi asli tanggal 2008-07-18. Diakses tanggal 2008-07-02.  Hapus pranala luar di parameter |publisher= (bantuan)
  12. ^ JPL/NASA (2015-04-22). "What is a Dwarf Planet?". Jet Propulsion Laboratory. Diarsipkan dari versi asli tanggal 2021-01-19. Diakses tanggal 2022-01-19. 
  13. ^ Robert D. Craig (2004). Handbook of Polynesian Mythology. ABC-CLIO. hlm. 128. ISBN 9781576078945. 

Pranala luar[sunting | sunting sumber]


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