Lihat sumber Adrastea (satelit)

{{For|satelit yang dipanggil secara tidak resmi dengan nama ini antara tahun 1955 dan 1975|Ananke (satelit)}}
{{distinguish|text=asteroid bernama [[5 Astraea]]}}
{{Infobox planet
| name         = Adrastea
| adjectives   = Adrastean
| image        = File:adrastea.jpg
| caption      = Gambar Adrastea yang diambil oleh [[Galileo (wahana antariksa)|pesawat antariksa ''Galileo'']] antara bulan November 1996 dan Juni 1997
| discoverer =
  {{plainlist |
* [[David Jewitt|David C. Jewitt]]
* G. Edward Danielson
  }}
| discovered   = 8 Juli 1979
| mean_orbit_radius = {{val|129000|u=km}}{{sfn|Evans Porco et al.|2002}}{{sfn|Burns Simonelli et al.|2004}}
| eccentricity = {{val|0.0015}}{{sfn|Evans Porco et al.|2002}}{{sfn|Burns Simonelli et al.|2004}}
| period       = {{val|0.29826|u=d}} <br> (7 jam 9,5 menit){{sfn|Evans Porco et al.|2002}}{{sfn|Burns Simonelli et al.|2004}}
| avg_speed    = 31.378 km/s{{efn|name=calculated}}
| inclination  = 0.03° <br> (terhadap khatulistiwa Jupiter){{sfn|Evans Porco et al.|2002}}{{sfn|Burns Simonelli et al.|2004}}
| satellite_of = [[Jupiter]]
| mean_radius  = {{val|8.2|2.0|u=km}}{{sfn|Thomas Burns et al.|1998}}
| dimensions   = 20 × 16 × 14 km{{sfn|Thomas Burns et al.|1998}}
| volume       = {{val|p=≈ |2345|u=km³}}{{efn|name=calculated}}
| mass         = 
| density      = 
| surface_grav = 
| escape_velocity = 
| rotation     = [[Penguncian pasang surut|sinkron]]
| axial_tilt   = 0{{sfn|Thomas Burns et al.|1998}}
| albedo       = {{val|0.10|0.045}}{{sfn|Thomas Burns et al.|1998}}
| single_temperature = ≈ 122 K
}}
[[Berkas:Adrastée FDS 20630.png|jmpl|280px|kiri|Discovery image of Adrastea, taken on July 8, 1979, by ''Voyager&nbsp;2''. Adrastea is the fainter dot, in the very middle, straddling the line of the Jovian rings.]]

'''Adrastea''' ({{lang-grc-gre|Ἀδράστεια}}), dikenal pula sebagai '''{{nowrap|Jupiter XV}}''', yang sebelumnya bernama '''S/1979 J 1''', adalah [[Satelit dalam Jupiter|Satelit terdalam Jupiter]] kedua berdasarkan jarak, dan yang terkecil di antara empat [[satelit dalam]] lainnya. Adrastea ditemukan dari foto yang ditangkap oleh ''[[Voyager 2]]'' pada tahun 1979, yang membuatnya menjadi [[satelit alami]] pertama yang ditemukan dari gambar yang diambil oleh [[wahana antariksa]] antarplanet dan bukan dari teleskop di [[Bumi]].{{sfn|IAUC 3454}} Satelit tersebut dinamai berdasarkan tokoh [[mitologi Yunani]], [[Adrasteia]], ibu asuh dari [[dewa Yunani]] [[Zeus]]—padanan dari [[dewa Romawi]] [[Jupiter (mitologi)|Jupiter]].{{sfn|IAUC 3872}} Kemudian, ''[[Juno (wahana antariksa)|Juno]]'' juga melakukan pengambilan citra tambahan terhadap Metis dan '''Adrastea''', meskipun tujuan utama Juno adalah mengobservasi Jupiter.

Adrastea adalah salah satu dari sedikit satelit di [[Tata Surya]] yang diketahui mengorbit [[planet]] induknya dalam waktu kurang dari panjang hari planetnya (atau panjang rotasi planet induknya). Adrastea mengorbit pada ujung [[Cincin Jupiter|cincin utama Jupiter]] dan dianggap sebagai kontributor utama untuk materi pada [[Cincin Jupiter]]. Meskipun telah dilakukan pengamatan pada tahun 1990-an oleh [[Galileo (wahana antariksa)|wahana ''Galileo'']], masih banyak yang belum diketahui tentang ciri-ciri fisik dari satelit tersebut selain ukurannya dan bukti bahwa Adrastea [[Penguncian pasang surut|terkunci pasang surut]] dengan [[Jupiter]]. ''[[Juno (wahana antariksa)|Juno]]''

Bersama Adrastea, Jupiter untuk saat ini diketahui memiliki [[Satelit Jupiter|{{jup-moon}} satelit]].

== Catatan ==
{{notes
| notes =
{{efn
| name = calculated
| Dihitung berdasarkan parameter lain.
}}
}}

== Referensi ==
{{reflist}}

'''Daftar pustaka'''
* {{cite journal| doi = 10.1126/science.1110422| last1 = Anderson | first1 = J. D.| last2 = Johnson | first2 = T. V.| last3 = Schubert | first3 = G.| last4 = Asmar | first4 = S.| last5 = Jacobson | first5 = R. A.| last6 = Johnston | first6 = D.| last7 = Lau | first7 = E. L.| last8 = Lewis | first8 = G.| last9 = Moore | first9 = W. B.| date = 27 May 2005| last10 = Taylor | first10 = A.| last11 = Thomas | first11 = P. C.| last12 = Weinwurm | first12 = G.| title = Amalthea's Density is Less Than That of Water| journal = Science| volume = 308| issue = 5726| pages = 1291–1293| pmid = 15919987| pmc = | bibcode = 2005Sci...308.1291A| ref = {{sfnRef|Anderson Johnson et al.|2005}}}}
* {{cite journal| doi = 10.1126/science.284.5417.1146| last1 = Burns| first1 = Joseph A.| last2 = Showalter| first2 = Mark R.| last3 = Hamilton| first3 = Douglas P.| last4 = Nicholson| first4 = Philip D.| last5 = de Pater| first5 = Imke| last6 = Ockert-Bell| first6 = Maureen E.| last7 = Thomas| first7 = Peter C.| date = 14 May 1999| title = The Formation of Jupiter's Faint Rings| journal = Science| volume = 284| issue = 5417| pages = 1146–1150| pmid = 10325220| pmc = | bibcode = 1999Sci...284.1146B| ref = {{sfnRef|Burns Showalter et al.|1999}}}}
* {{cite encyclopedia
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* {{cite journal
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  | title = The Orbits of Metis and Adrastea: The Origin and Significance of their Inclinations
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  | ref = {{sfnRef|Evans Porco et al.|2002}}
  }}
* {{cite journal| doi = 10.1126/science.206.4421.951| last1 = Jewitt| first1 = David C.| last2 = Danielson| first2 = G. Edward| last3 = Synnott| first3 = Stephen P.| date = November 23, 1979| title = Discovery of a New Jupiter Satellite| journal = Science| volume = 206| issue = 4421| pages = 951| pmid = 17733911| pmc = | bibcode = 1979Sci...206..951J| ref = {{sfnRef|Jewitt Danielson et al.|1979}}}}
* {{cite journal
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* {{cite journal| doi = 10.1006/icar.1998.6072| last1 = Ockert-Bell | first1 = M. E.| last2 = Burns | first2 = J. A.| last3 = Daubar | first3 = I. J.| last4 = Thomas | first4 = P. C.| last5 = Veverka | first5 = J.| last6 = Belton | first6 = M. J. S.| last7 = Klaasen | first7 = K. P.| date = 1 April 1999| title = The Structure of Jupiter's Ring System as Revealed by the Galileo Imaging Experiment| journal = Icarus| volume = 138| issue = 2| pages = 188–213| pmid = | pmc = | bibcode = 1999Icar..138..188O| ref = {{sfnRef|Ockert-Bell Burns et al.|1999}}}}
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== Pranala luar ==
* [https://web.archive.org/web/20130317224600/http://solarsystem.nasa.gov/planets/profile.cfm?Object=Jup_Adrastea Adrastea Profile] by [http://solarsystem.nasa.gov NASA's Solar System Exploration]
* http://solarsystem.nasa.gov/planets/profile.cfm?Object=Jupiter&Display=Moons {{Webarchive|url=https://web.archive.org/web/20130706081138/http://solarsystem.nasa.gov/planets/profile.cfm?Object=Jupiter&Display=Moons |date=2013-07-06 }}
* http://alienworlds.southwales.ac.uk/jovianMoons.html {{Webarchive|url=https://web.archive.org/web/20131005143414/http://alienworlds.southwales.ac.uk/jovianMoons.html |date=2013-10-05 }}
* http://www.orbitsimulator.com/gravity/articles/joviansystem.html

{{Satelit Jupiter}}

[[Kategori:Satelit dalam Jupiter]]
[[Kategori:Satelit Jupiter]]
[[Kategori:Objek astronomi yang ditemukan tahun 1979]]