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{| cellpadding="2" cellspacing="0" style="margin:25px 0 0 10px; border:3px solid lightsteelblue;width:250px; font-size:90%; font-family:'Arial','Helvetica'; float: right; clear: right;"Template in Orbiter"
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{| cellpadding="2" cellspacing="0" style="margin:25px 0 0 10px; border:3px solid lightsteelblue;width:250px; font-size:90%; font-family:'Arial','Helvetica'; float: right; clear: right;"Neptune in Orbiter"
 
!bgcolor="lightsteelblue" colspan="2" align="center" |Neptune
 
!bgcolor="lightsteelblue" colspan="2" align="center" |Neptune
 
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|colspan="2" align="center"|[[Image:NeptuneScrshot.jpg|240px]]
 
|colspan="2" align="center"|[[Image:NeptuneScrshot.jpg|240px]]
 
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|colspan="2" align="center"|'''Neptune in Orbiter 2016 with D3D9'''
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|colspan="2" align="center"|'''Neptune in Orbiter'''
 
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!bgcolor="lightsteelblue" colspan="2"|Designation
 
!bgcolor="lightsteelblue" colspan="2"|Designation
 
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|Name||align="right"|Neptune
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|width="30%"|Name||align="right" width="30%"|Neptune
 
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|width="30%"|Reference body||align="right" width="30%"|Sun
 
|width="30%"|Reference body||align="right" width="30%"|Sun
 
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|width="30%"|Number of satellites||align="right" width="30%"|
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|width="30%"|Number of known satellites||align="right" width="30%"|14
 
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!bgcolor="lightsteelblue" colspan="2"|Planetary mean orbits
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!bgcolor="lightsteelblue" colspan="2"|Physical parameters*
 
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|width="30%"|Epoch||align="right" width="50%"|J2000 (1 January 2000)
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|width="30%"|Mass||align="right" width="50%"|1.025×10<sup>26</sup> kg
 
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|width="30%"|Semimajor axis (a)||align="right" width="50%"|30.06896348 AU <br> (4.49825291×10<sup>12</sup> km)
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|width="30%"|Mean Radius||align="right" width="50%"|2.462×10<sup>7</sup> m
 
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|width="30%"|Eccentricity (e)||align="right" width="30%"|0.00858587
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|width="30%"|Gravitational moments||align="right" width="50%"|J<sub>2</sub>=0.004
 
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|width="30%"|Inclination (i)||align="right" width="30%"|1.76917° <br> (0.0308778 radian)
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|width="30%"|Siderial day||align="right" width="30%"|5.8×10<sup>4</sup> s
 
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|width="30%"|Longitude of the ascending node (LAN, ☊)||align="right" width="30%"|131.72169° <br> (2.298977 radian)
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|width="30%"|Orbital period||align="right" width="30%"|5.177×10<sup>9</sup> s<br>
 
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|width="30%"|Longitude of periapsis (ϖ)||align="right" width="30%"|44.97135° <br> (0.784898 radian)
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|width="30%"|Obliquity of ecliptic||align="right" width="30%"|28.48°
 
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|width="30%"|Mean longitude (L)||align="right" width="30%"|304.88003° <br> (5.321160 radian)
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|width="30%"|Atmosphere||align="right" width="30%"|Yes
 
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!bgcolor="lightsteelblue" colspan="2"|Planetary orbital element centennial rates
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!bgcolor="lightsteelblue" colspan="2"|Atmosphere*
 
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|width="30%"|Semimajor axis (a)||align="right" width="50%"|-0.00125196 AU/Century
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|width="30%"|Atmosphere model||align="right" width="30%"|Generic
 
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|width="30%"|Eccentricity (e)||align="right" width="50%"|0.0000251 Century<sup>-1</sup>
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|width="30%"|Surface Pressure||align="right" width="30%"|414.0 KPa
 
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|width="30%"|Inclination (i)||align="right" width="30%"|-3.64 seconds/Century
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|width="30%"|Surface Density||align="right" width="30%"|0.5093 kg/m<sup>3</sup>
 
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|width="30%"|Longitude of the ascending node (LAN, ☊)||align="right" width="30%"|-151.25 seconds/Century
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|width="30%"|Specific gas constant||align="right" width="30%"|144.92 J/(K kg)
 
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|width="30%"|Longitude of periapsis (ϖ)||align="right" width="30%"|-844.43 seconds/Century
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|width="30%"|Specific heat ratio||align="right" width="30%"|1.33
 
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|width="30%"|Mean longitude (L)||align="right" width="30%"|786449.21 seconds/Century
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!bgcolor="lightsteelblue" colspan="2"|Osculating elements (ecliptic frame)*
 
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!bgcolor="lightsteelblue" colspan="2"|Selected physical parameters
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|width="30%"|Semi-major axis||align="right" width="30%"|4.4829×10<sup>12</sup> m
 
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|width="30%"|Mean radius||align="right" width="30%"|24624.0±21 km
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|width="30%"|Eccentricity||align="right" width="30%"|0.011208
 
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|width="30%"|Mass||align="right" width="30%"|1.024569×10<sup>26</sup> kg
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|width="30%"|Inclination||align="right" width="30%"| 1.77°
 
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|width="30%"|Density||align="right" width="30%"|1.638 g/cm<sup>3</sup>
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|width="30%"|Note||align="right" width="30%"|*Elements given are from Orbiter 2016
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|width="30%"|Sidereal rotation period||align="right" width="30%"|16.11±0.01 hours
 
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|width="30%"|Sidereal orbit period||align="right" width="30%"|163.72321 years
 
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|width="30%"|Magnitude V(1,0)||align="right" width="30%"|-6.87
 
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|width="30%"|Geometric albedo||align="right" width="30%"|0.41
 
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|width="30%"|Equatorial gravity||align="right" width="30%"|11.00±0.05 m/s<sup>2</sup>
 
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|width="30%"|Escape velocity||align="right" width="30%"|23.5 km/s
 
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!bgcolor="lightsteelblue" colspan="2"|Rotation elements
 
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|width="30%"|North pole right ascension (α<sub>1</sub>)||align="right" width="30%"|295.25°
 
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|width="30%"|North pole declination (δ<sub>1</sub>)||align="right" width="30%"|40.63°
 
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|width="30%"|Obliqutiy of ecliptic||align="right" width="30%"|29.48°
 
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|-
 
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|width="30%"|Longitude of Sun's transit||align="right" width="30%"|221.13°
 
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!bgcolor="lightsteelblue" colspan="2"|Atmospheric parameters
 
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|width="30%"|Surface Pressure||align="right" width="30%"|>>10<sup>4</sup> kPa
 
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|width="30%"|Surface Density||align="right" width="30%"|~0.45 kg/m<sup>3</sup> at 1 bar
 
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|width="30%"|Scale height||align="right" width="30%"|19.1-20.3 km
 
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|width="30%"|Average temperature||align="right" width="30%"|~58 K
 
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|width="30%"|Wind speeds||align="right" width="30%"|0-200 m/s
 
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!bgcolor="lightsteelblue" colspan="2"|Ecliptic position from primary*
 
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|width="30%"|Note||align="right" width="30%"|*Elements given are from Orbiter.pdf (2016)
 
 
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|}
  
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Neptune is the 8th planet from the [[Sun]], the fourth largest planet by size and the third by mass. Neptune was actually observed by [[w:Galileo Galilei|Galileo Galilei]] on at least two occassions in 1612 and 1613, but did not realize that it was a planet, mistaking it for a star. In 1845, [[w:John Couch Adams|John Couch Adams]] and [[w:Urbain Le Verrier|Urbain Le Verrier]] indpendently calculated that there should be another planet based upon perturbations of the orbit of [[Uranus]]. Le Verrier sent a letter with his findings to [[w:Johann Gottfried Galle|Johann Gottfried Galle]] who was then the first observer of Neptune and recognized it for what it is.
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Neptune is the 8th planet from the [[Sun]]. It has at least 13 natural satellites.
  
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==Neptune in Orbiter==
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see also: Wikipedia [http://en.wikipedia.org/wiki/Neptune]
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Neptune has been a part of the [[Orbiter]] family of bodies at least since the release of Orbiter 2001. In the 2001 version, Neptune had no moons, but 14 moons have been added in later releases of Orbiter or as a part of add-ons.
 
  
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In Orbiter 2002, the orbital parameters were moved from ''Neptune.cfg'' to the module ''Vsop87.dll''. In ''neptune.zip'', Neptune's rings were added.
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Go to [[:Category:Addons for Neptune|Addons for Neptune]]
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{|class="wikitable sortable” style="text-align: center"
 
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|colspan="8"|<center>'''Orbiter versions and add-ons which include Neptune'''</center>
 
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!Add-on!!Source!!Version!!Author!!Type!!Release Date!!Compatibility!!Wiki article
 
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|[https://www.orbiter-forum.com/resources/orbiter-2016-torrent-files.5427/ Orbiter 2016 - torrent files]||O-F Resources||2016||martins||Orbiter Download||23 August 2016||Orbiter 2016||
 
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|[https://www.orbiter-forum.com/resources/orbiter-2016-core-msi-exe-edition.5426/ Orbiter 2016 Core - MSI / EXE edition]||O-F Resources||2016||martins||Orbiter Download||23 August 2016||Orbiter 2016||
 
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|[https://www.orbiter-forum.com/resources/orbiter-2016-core-zip-edition.5425/ Orbiter 2016 Core - ZIP edition]||O-F Resources||2016||martins||Orbiter download||23 August 2016||Orbiter 2016||
 
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|[http://orbit.medphys.ucl.ac.uk/download.html Orbiter core package download]<br>(The actual download page for Orbiter 2016)||Orbiter download page||Orbiter 2016||martins||Orbiter download||23 August 2016||Orbiter 2016||
 
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|[https://www.orbiter-forum.com/resources/celestial-bodies-motion-part-1-4-v2-0-0.132/ Celestial Bodies Motion - Part 1/4 - v2.0.0]||O-F Resources||v2.0.0||cristiapi||Scenery||2 July 2015||*module only||
 
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|[https://www.orbiter-forum.com/resources/orbiter-2010-p1.5428/ Orbiter 2010-P1]||O-F Resources||100830||martins||Orbiter Download||30 August 2010||Orbiter 2010-P1||
 
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|[https://www.orbiter-forum.com/resources/orbiter-2010.5429/ Orbiter 2010]||O-F Resources||100606||martins||Orbiter Download||5 June 2010||Orbiter 2010||
 
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|[https://library.avsim.net/esearch.php?DLID=&Name=&FileName=outer_planets-060929-base.zip&Author=&CatID=root The Outer Planets 060929 Base]||AVSIM||||Rolf Keibel<br>Carl Romanik<br>Tony Dunn||Scenery||30 September 2006||Orbiter 2006-P1||
 
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|[https://www.orbiter-forum.com/resources/orbiter-2006-p1.5430/ Orbiter 2006-P1]||O-F Resources||060929||martins||Orbiter Download||29 September 2006||Orbiter 2006-P1||
 
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|[https://www.orbiter-forum.com/resources/orbiter-2006.5431/ Orbiter 2006]||O-F Resources||060504||martins||Orbiter Download||4 May 2006||Orbiter 2006||
 
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|[https://library.avsim.net/esearch.php?DLID=&Name=&FileName=outerplanets-050329_update.zip&Author=&CatID=root The Outer Planets 050329 Update]||AVSIM||050329||Rolf Keibel<br>Tony Dunn<br>Carl Romanik||Scenery||30 March 2005||||
 
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|[https://www.orbiter-forum.com/resources/2005-with-p1-patch-files.5432/ 2005 (with P1 patch files)]||O-F Resources||050216||martins||Orbiter Download||16 February 2005||Orbiter 2005||
 
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|[https://www.orbiter-forum.com/resources/orbiter-2003-p2.5433/ Orbiter 2003-P2]||O-F Resources||031217||martins||Orbiter Download||17 December 2003||Orbiter 2003-P2||
 
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|[https://www.orbiter-forum.com/resources/orbiter-2003-p1.5434/ Orbiter 2003-P1]||O-F Resources||031105||martins||Orbiter Download||5 November 2003||Orbiter 2003-P1|
 
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|[https://library.avsim.net/esearch.php?DLID=&Name=&FileName=uranus-neptune_ii.zip&Author=&CatID=root Uranus-Neptune II]||AVSIM||||Rolf B Keibel||Scenery||6 March 2003||||
 
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|[https://library.avsim.net/esearch.php?DLID=&Name=&FileName=neptune.zip&Author=&CatID=root Neptune]||AVSIM||||Rolf Keibel||Scenery||7 November 2002||||
 
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|[https://www.orbiter-forum.com/resources/orbiter-2002.5436/ Orbiter 2002]||O-F Resources||020419||martins||Orbiter Download||19 April 2002||Orbiter 2002||
 
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|[https://www.orbiter-forum.com/resources/orbiter-2001.5437/ Orbiter 2001]||O-F Resources||010503||martins||Orbiter Download||3 May 2001||Orbiter 2001||
 
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|}
 
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==See also==
 
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[[w:Neptune|Neptune]] at [[w:Wikipedia|Wikipedia]]
 
  
 
==Natural satellites==
 
==Natural satellites==
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* [[Nereid]]
 
* [[Nereid]]
  
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<gallery widths="100" heights="100">
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[[Category:Celestial bodies]]
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NeptuneOrbiter2001.jpg|<center>Neptune in Orbiter 2001</center>
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{{Planet-Stub}}
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NeptuneOrbiter2002.jpg|<center>Neptune in Orbiter 2002</center>
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Neptune-neptunezip.jpg|<center>Neptune from ''neptune.zip'' in Orbiter 2002</center>
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[[Category:Solar System]]
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Neptune-orbiter2002p3.jpg|<center>Neptune in Orbiter 2002P3</center>
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[[Category: Planets]]
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Neptune-Orbiter2003P2.jpg|<center>Neptune in Orbiter 2003P2</center>
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Neptune-Orbiter2005P1.jpg|<center>Neptune in Orbiter 2005P1</center>
 
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Neptune-Orbiter2006P1.jpg|<center>Neptune in Orbiter 2006P1</center>
 
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Neptune-Orbiter2010P1-Orbiter2010P1.jpg|<center>Neptune in Orbiter 2010P1</center>
 
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NeptuneScrshot.jpg|<center>Neptune in Orbiter 2016 with D3D9</center>
 
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Neptune Voyager2 color calibrated.png|<center>Neptune as seen by the [[w:Voyager 2|Voyager 2]] spacecraft on 17 August 1989<br>Wikimedia Commons</center>
 
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</gallery>
 
  
 
{{NeptuneSat}}
 
{{NeptuneSat}}
 
{{SolarSystem}}
 
{{SolarSystem}}
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{{Planet-Stub}}
 
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[[Category:Articles]]
 
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[[Category:Celestial bodies]]
 
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[[Category:Solar System]]
 
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[[Category:Planets]]
 

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