11 Parthenope: Perbedaan antara revisi
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{{Infobox planet | discovery=yes | physical_characteristics = yes | bgcolour=#FFFFC0 |
name=11 Parthenope
| symbol=[[Berkas:
| image= [[Berkas:Parthenope-asteroid.jpg|200px]]
| discoverer=[[Annibale de Gasparis]]
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| surface_grav=0,0578 m/s²
| escape_velocity=0,0941 km/s
| rotation=0,3929 hr (9,43 jam)<ref name=jpldata/><ref>{{cite web |url=http://www.astrosurf.com/aude-old/map_files/AstVarMAP01-2003.htm |title=Lightcurves and Map Data on Numbered Asteroids N° 1 to 52225 |accessdate=
| spectral_type=Asteroid tipe S<ref name=jpldata/>
| magnitude = 8,68<ref name=AstDys-Parthenope >{{cite web |title=AstDys (11) Parthenope Ephemerides |publisher=Department of Mathematics, University of Pisa, Italy |url=http://hamilton.dm.unipi.it/astdys/index.php?pc=1.1.3.1&n=11&oc=500&y0=2031&m0=7&d0=29&h0=00&mi0=00&y1=2031&m1=7&d1=29&h1=00&mi1=00&ti=1.0&tiu=days |accessdate=2010-06-26}}</ref> hingga 12,16
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| albedo=0,180 ([[albedo geometrik|geometrik]]) <ref name=jpldata/>
| angular_size = 0,178" <!-- Horizons 2008-Aug-07 --> hingga 0,057"
| single_temperature=~174 [[kelvin|K]]
}} '''11 Parthenope''' ({{IPAc-en
Parthenope ditemukan oleh [[Annibale de Gasparis]] pada 11 Mei 1850, asteroid kedua dari sembilan asteroid yang pernah dia temukan. Parthenope dinamai mengikuti salah satu [[Siren]] dalam [[mitologi Yunani]], yang dikatakan telah menemukan kota [[Napoli]]. De Gasparis "berusaha dengan sekuat tenaga untuk mewujudkan 'Parthenope' ada di surga (langit), nama yang disarankan oleh Sir [[John Herschel]] pada saat penemuan ''[[10 Hygiea|Hygeia]]'' pada tahun 1849".<ref>{{cite journal| bibcode=1850MNRAS..10..145.| last=De Gasparis| first= Annibale| title=The New Planet Parthenope| journal= Monthly notices of the Royal Astronomical Society| volume=10| pages=144–147| month=May| year= 1850}}</ref>
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== Massa ==
Pada tahun 2007, Baer dan Chesley menghitung [[massa]] dan [[massa jenis]] Parthenope berdasarkan perturbasi oleh asteroid yang berjarak 90 km yaitu [[17 Thetis]]. Baer dan Chesley menghitung massanya senilai 6,3{{e|18}} kg<ref name="Baer2007">{{cite journal
|last=Baer
|first=James |coauthors=Steven R. Chesley
|title=Astrometric masses of 21 asteroids, and an integrated asteroid ephemeris
|journal=Celestial Mechanics and Dynamical Astronomy
|volume=100
|issue=2008 |pages=27–42 |publisher=Springer Science+Business Media B.V. 2007
|url=http://www.springerlink.com/content/h747307j43863228/fulltext.pdf
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|doi=10.1007/s10569-007-9103-8
|accessdate=2008-11-13
|year=2008
|year=2008 |bibcode = 2008CeMDA.100...27B }}</ref> dan massa jenisnya senilai 3.3 g/cm³.<ref name="Baer2007"/> Perkiraan yang dilakukan Baer pada tahun 2008 menyimpulkan bahwa massanya adalah 6,15{{e|18}}.<ref name=Baer>{{cite web▼
|bibcode=2008CeMDA.100...27B
|archive-date=2011-02-24
|archive-url=https://web.archive.org/web/20110224014158/http://www.springerlink.com/content/h747307j43863228/fulltext.pdf
|url-status=dead
▲
|year=2008
|title=Recent Asteroid Mass Determinations
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|author=Jim Baer
|url=http://home.earthlink.net/~jimbaer1/astmass.txt
|accessdate=2008-12-06
|accessdate=2008-12-06}}</ref> Perkiraan oleh Viateau dan Rapaport pada tahun 1997 dan 2001 menyimpulkan bahwa massanya mendekati nilai 5{{e|18}} kg dengan massa jenis 2.7 g/cm³.<ref name="Baer2007"/>▼
|archive-date=2013-07-08
|archive-url=https://www.webcitation.org/6HxBzMsli?url=http://home.earthlink.net/~jimbaer1/astmass.txt
|url-status=dead
▲
== Referensi ==
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== Pranala luar ==
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=11;orb=1 Orbital simulation] from JPL (Java)
* [http://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&body_group=sb&sstr=11 Ephemeris]
* [http://lunar-occultations.com/iota/iotandx.htm IOTA] (International Occultation Timing Association) occultation database
* [http://www.asteroidoccultation.com/observations/Results/Data2011/20110126_Parthenope_InversionModel.jpg 2011-Jan-26 Occultation] {{Webarchive|url=https://web.archive.org/web/20140108170353/http://www.asteroidoccultation.com/observations/Results/Data2011/20110126_Parthenope_InversionModel.jpg |date=2014-01-08 }} / [http://www.asteroidoccultation.com/observations/Results/index2011.html (2011 Asteroidal Occultation Results for North America)]
* {{cite web |title=Elements and Ephemeris for (11) Parthenope |publisher=Minor Planet Center |url=http://scully.cfa.harvard.edu/cgi-bin/returnprepeph.cgi?d=b2011&o=00011 |access-date=2012-03-07 |archive-date=2016-03-04 |archive-url=https://web.archive.org/web/20160304023625/http://scully.cfa.harvard.edu/cgi-bin/returnprepeph.cgi?d=b2011&o=00011 |url-status=dead }} (displays [[Elongation (astronomy)|Elong]] from Sun and [[apparent magnitude|V mag]] for 2011)
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