Deleng sumberé Neptunus

{{Infobox Planet
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|bgcolour = #97C3F4
|name = Neptunus
|symbol = [[Gambar:Neptune symbol (bold).svg|24px|alt=♆|Simbol astronomis Neptunus.]]
|image = [[Gambar:Neptune Voyager2 color calibrated.png|240px|Neptunus saka [[Voyager 2]]]]
|caption = Neptunus saka wahana ''[[Voyager 2]]''
|discovery = yes
|discoverer = [[Urbain Le Verrier]]{{br}} [[John Couch Adams]]{{br}} [[Johann Gottfried Galle|Johann Galle]]
|discovered = 23 September 1846<ref name=Hamilton>{{cite web
|first=Calvin J.|last=Hamilton|date=August 4, 2001
|url=http://www.solarviews.com/eng/neptune.htm
|title=Neptune|publisher=Views of the Solar System
|accessdate=2007-08-13}}</ref>
|orbit_ref =
<ref name=horizons>{{cite web|first=Donald K.|last=Yeomans|date=2006-07-13
|url = http://ssd.jpl.nasa.gov/?horizons|title = HORIZONS System|publisher = NASA JPL
|accessdate = 2007-08-08}}—At the site, go to the "web interface" then select "Ephemeris Type: ELEMENTS", "Target Body: Neptune Barycenter" and "Center: Sun".</ref><!--<ref name=barycentre>Orbital elements refer to the barycentre of the Neptune system, and are the instantaneous [[osculating orbit|osculating]] values at the precise [[J2000]] epoch. Barycentre quantities are given because, in contrast to the planetary centre, they do not experience appreciable changes on a day-to-day basis from to the motion of the moons.</ref>-->
|epoch = [[J2000]]
|aphelion = 4.553.946.490&nbsp;[[Kilometer|km]]{{br}}30,44125206&nbsp;[[Ékan astronomi|SA]]
|perihelion = 4.452.940.833&nbsp;km{{br}}29,76607095&nbsp;SA
|semimajor = 4.503.443.661&nbsp;km{{br}}30,10366151&nbsp;SA
|eccentricity = 0,011214269
|period = 60.190&nbsp;[[hari]]{{br}}164,79&nbsp;[[Kalender Julian|taun]]
|synodic_period = 367,49&nbsp;hari<ref name="fact">{{cite web|url = http://nssdc.gsfc.nasa.gov/planetary/factsheet/neptunefact.html|title = Neptune Fact Sheet
|date = 2004-09-01|publisher = NASA|accessdate = 2007-08-14|last = Williams|first = David R.}}</ref>
|avg_speed = 5,43&nbsp;km/s<ref name="fact"/>
|inclination = 1,767975° ke [[Ekliptika]]{{br}}6,43° ke ekuator Matahari{{br}}0,72° ke [[babagan Invariabel]]<ref name=meanplane>{{cite web|date=2009-04-03|title=The MeanPlane (Invariable plane) of the Solar System passing through the barycenter|url=http://home.comcast.net/~kpheider/MeanPlane.gif|accessdate=2009-04-10|archiveurl=https://web.archive.org/web/20090420194536/http://home.comcast.net/~kpheider/MeanPlane.gif|archivedate=2009-04-20|url-status=live}} (diprodhuksi dengan [http://chemistry.unina.it/~alvitagl/solex/ Solex 10] {{Webarchive|url=https://web.archive.org/web/20150524145440/http://chemistry.unina.it/~alvitagl/solex/ |date=2015-05-24 }} ditulis olèh Aldo Vitagliano)</ref>
|asc_node = 131,794310°
|arg_peri = 265,646853°
|mean_anomaly = 267,767281°
|satellites = 13
|physical_characteristics = yes
|flattening = 0,0171 ± 0,0013 <!-- calculated from data in ref name=Seidelmann2007 -->
|equatorial_radius = 24.764 ± 15&nbsp;km<ref name=Seidelmann2007>{{cite journal
|first=Seidelmann|last=P. Kenneth|author2=Archinal, B. A.; A’hearn, M. F. et al|title= Report of the IAU/IAGWorking Group on cartographic coordinates and rotational elements|journal=Celestial Mechanics and Dynamical Astronomy|volume=90|pages=155–180|year=2007|doi=10.1007/s10569-007-9072-y
|url=http://adsabs.harvard.edu/doi/10.1007/s10569-007-9072-y|publisher=Springer Netherlands|accessdate=2008-03-07}}</ref><ref name=1bar>Merujuk kepada tekanan atmosfer {{convert|1|bar|kPa}}</ref>{{br}}3,883 Bumi
|polar_radius = 24.341 ± 30&nbsp;km<ref name=Seidelmann2007/><ref name=1bar/>{{br}}3,829 Bumi
|surface_area = 7,6408{{e|9}}&nbsp;km²<ref name=1bar/>{{br}}14,98 Bumi
|volume = 6,254{{e|13}}&nbsp;km³<ref name="fact"/><ref name=1bar/>{{br}}57,74 Bumi
|mass = 1,0243×10<sup>26</sup>&nbsp;kg<ref name="fact"/>{{br}}17,147 Bumi
|density = 1,638&nbsp;g/cm³<ref name="fact"/><ref name=1bar/>
|surface_grav = 11.15&nbsp;[[Acceleration|m/s²]]<ref name="fact"/><ref name=1bar/>{{br}}1.14&nbsp;[[g-force|''g'']]
|escape_velocity = 23,5&nbsp;km/s<ref name="fact"/><ref name=1bar/>
|sidereal_day = 0,6713&nbsp;hari<ref name="fact"/>{{br}}16&nbsp;j 6&nbsp;men 36&nbsp;d
|rot_velocity = 2,68&nbsp;km/det{{br}}9,660&nbsp;km/jam
|axial_tilt = 28,32°<ref name="fact"/>
|right_asc_north_pole = {{RA|19|57|20}}<ref name=Seidelmann2007/>
|declination = 42,950°<ref name=Seidelmann2007/>
|albedo = 0,290 ([[albedo terikat|terikat]]){{br}}
0,41 ([[albedo geometrik|geometrik]])<ref name="fact"/>
|magnitude = 8,0 sampai 7,78<ref name="fact"/>
|angular_size = 2,2[[menit busur|″]]–2.4″<ref name="fact"/>
|temperatures = yes
|temp_name1 = level 1 bar
|min_temp_1 = 
|mean_temp_1 = 72&nbsp;[[Kelvin|K]]<ref name="fact"/>
|max_temp_1 = 
|temp_name2 = 0,1 bar{{br}}(10 kPa)
|min_temp_2 = 
|mean_temp_2 = 55&nbsp;K<ref name="fact"/>
|max_temp = 
|adjectives = Neptunian
|atmosphere = yes
|atmosphere_ref =
<ref name="fact"/>
|scale_height = 19,7&nbsp;±&nbsp;0,6 km
|atmosphere_composition = 
<table>
<tr><td>
80±3,2%</td><td>[[Hidrogen]] (H<sub>2</sub>)
</td></tr><tr><td>
19±3,2%</td><td>[[Helium]]
</td></tr><tr><td>
1,5±0,5%</td><td>[[Metana]]
</td></tr><tr><td>
~0,019%</td><td>[[Hidrogen deuterida]] (HD)
</td></tr><tr><td>
~0,00015%</td><td>[[Etana]]
</td></tr><tr><td>
'''Es''':</td><td>
</td></tr><tr><td>
</td><td>[[Amonia]]
</td></tr><tr><td>
</td><td>[[Air]]
</td></tr><tr><td>
</td><td>[[Amonium hidrosulfida]](NH<sub>4</sub>SH)
</td></tr><tr><td>
</td><td>Metana (?)
</td></tr></table>
}}
'''Neptunus''' iku [[planit]] paling adoh lan nomer wolu saking [[srengéngé]].

Jarak rata-rata sekang srengéngé sakiwa-tengené 4.450 yuta km. Neptunus duwé [[diameter]] 49.530&nbsp;km lan massane 17,2 ping massa [[Bumi]]. [[Periode rotasi planit]] iki 16,1 jam, periode evolusine 164,8 taun. Neptunus duwé 8 [[satelit]], antarané Triton, Proteus, Nereid, lan Larissa.

== Cathetan suku ==
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[[Kategori:Planit]]