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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;"Earth in Orbiter"
 
!bgcolor="lightsteelblue" colspan="2" align="center" |Earth
 
!bgcolor="lightsteelblue" colspan="2" align="center" |Earth
 
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|colspan="2" align="center"|[[Image:EarthScrshot.jpg|240px]]
 
|colspan="2" align="center"|[[Image:EarthScrshot.jpg|240px]]
 
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|colspan="2" align="center"|'''Earth in Orbiter 2016 with D3D9'''
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|colspan="2" align="center"|'''Earth in Orbiter'''
 
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!bgcolor="lightsteelblue" colspan="2"|Designation
 
!bgcolor="lightsteelblue" colspan="2"|Designation
 
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|-
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|Name||align="right"|Earth
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|width="30%"|Name||align="right" width="30%"|Earth
 
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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%"|1
 
|width="30%"|Number of satellites||align="right" width="30%"|1
 
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|-
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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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|-
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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%"|5.973698968×10<sup>24</sup> kg
 
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|width="30%"|Semimajor axis (a)||align="right" width="50%"|1.00000011 AU <br> (1.495978871×10<sup>11</sup> km)
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|width="30%"|Mean Radius||align="right" width="50%"|6.37101×10<sup>6</sup> m
 
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|width="30%"|Eccentricity (e)||align="right" width="30%"|0.01671022
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|width="30%"|Gravitational moments||align="right" width="50%"|J<sub>2</sub>=1082.6269×10<sup>-6</sup><br>J<sub>3</sub>=-2.51×10<sup>-6</sup><br>J<sub>4</sub>=-1.6×10<sup>-6</sup><br>J<sub>5</sub>-0.15×10<sup>-6</sup>
 
|-
 
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|width="30%"|Inclination (i)||align="right" width="30%"|0.00005° <br> (0.00000087 radian)
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|width="30%"|Siderial day||align="right" width="30%"|86164.10132 s
 
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|width="30%"|Longitude of the ascending node (LAN, ☊)||align="right" width="30%"|-11.26064° <br> (-0.1965352 radian)
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|width="30%"|Orbital period||align="right" width="30%"|3.159×10<sup>7</sup> s<br>(365.625 days)
 
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|width="30%"|Longitude of periapsis (ϖ)||align="right" width="30%"|102.94719° <br> (1.796767 radian_
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|width="30%"|Obliquity of ecliptic||align="right" width="30%"|23.439291°
 
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|width="30%"|Mean longitude (L)||align="right" width="30%"|100.46435° <br> (1.753434 radian)
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|width="30%"|Atmosphere||align="right" width="30%"|Yes
 
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|-
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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%"|-0.00000005 AU/Century
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|width="30%"|Atmosphere model||align="right" width="30%"|J71G
 
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|width="30%"|Eccentricity (e)||align="right" width="50%"|-0.00003804 Century<sup>-1</sup>
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|width="30%"|Surface Pressure||align="right" width="30%"|101.3 KPa
 
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|width="30%"|Inclination (i)||align="right" width="30%"|-46.94 seconds/Century
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|width="30%"|Surface Density||align="right" width="30%"|1.225 kg/m<sup>3</sup>
 
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|width="30%"|Longitude of the ascending node (LAN, ☊)||align="right" width="30%"|-18228.25 seconds/Century
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|width="30%"|Specific gas constant||align="right" width="30%"|286.91 J/(K kg)
 
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|-
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|width="30%"|Longitude of periapsis (ϖ)||align="right" width="30%"|1198.28 seconds/Century
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|width="30%"|Specific heat ratio||align="right" width="30%"|1.40
 
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|-
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|width="30%"|Mean longitude (L)||align="right" width="30%"|129597740.63 seconds/Century
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!bgcolor="lightsteelblue" colspan="2"|Osculating elements (ecliptic frame)*
 
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|-
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!bgcolor="lightsteelblue" colspan="2"|Selected physical parameters
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|width="30%"|Semi-major axis||align="right" width="30%"|1.4971×10<sup>11</sup> m
 
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|width="30%"|Mean radius||align="right" width="30%"|6371.01 km
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|width="30%"|Eccentricity||align="right" width="30%"|0.015958
 
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|width="30%"|Mass||align="right" width="30%"|5.973698968×10<sup>24</sup> kg
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|width="30%"|Inclination||align="right" width="30%"| 0°
 
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|width="30%"|Density||align="right" width="30%"|5.515 g/cm<sup>3</sup>
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|width="30%"|Longitude of ascending node||align="right" width="30%"| 141.13°
 
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|width="30%"|Sidereal rotation period||align="right" width="30%"|23.93447 hours
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|width="30%"|Longitude of periapsis||align="right" width="30%"|103.41°
 
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|width="30%"|Sidereal orbit period||align="right" width="30%"|0.9999786 years
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|width="30%"|Mean Longitude||align="right" width="30%"| 260.75°
 
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|-
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|width="30%"|Magnitude V(1,0)||align="right" width="30%"|-3.86
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!bgcolor="lightsteelblue" colspan="2"|Ecliptic position from primary*
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|-
 
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|width="30%"|Geometric albedo||align="right" width="30%"|0.65
 
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|-
 
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|width="30%"|Equatorial gravity||align="right" width="30%"|9.780327 m/s<sup>2</sup>
 
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|-
 
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|width="30%"|J coefficients||align="right" width="30%"|1082.6269e-6 -2.51e-6 -1.60e-6 -0.15e-6
 
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|-
 
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|width="30%"|Escape velocity||align="right" width="30%"|11.186 km/s
 
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|-
 
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|width="30%"|SOI radius||align="right" width="30%"|2.6×10<sup>8</sup> m
 
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|-
 
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!bgcolor="lightsteelblue" colspan="2"|Rotation elements
 
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|-
 
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|width="30%"|North pole right ascension (α<sub>1</sub>)||align="right" width="30%"|n/a
 
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|-
 
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|width="30%"|North pole declination (δ<sub>1<sub>)||align="right" width="30%"|90°
 
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|-
 
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|width="30%"|Obliqutiy of ecliptic||align="right" width="30%"|23.44°
 
 
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|width="30%"|Longitude of Sun's transit||align="right" width="30%"|0°
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|width="30%"|Longitude||align="right" width="30%"| 261.444°
 
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|-
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!bgcolor="lightsteelblue" colspan="2"|Atmospheric parameters
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|width="30%"|Latitude||align="right" width="30%"| 0.003°
 
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|width="30%"|Surface Pressure||align="right" width="30%"|101.4 kPa
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|width="30%"|Radial distance||align="right" width="30%"| 1.519×10<sup>11</sup> m
 
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|width="30%"|Surface Density||align="right" width="30%"|1.217 kg/m<sup>3</sup>
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|width="30%"|Note||align="right" width="30%"|*Elements given are from Orbiter 2016
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|-
 
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|width="30%"|Scale height||align="right" width="30%"|8.5 km
 
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|-
 
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|width="30%"|Average temperature||align="right" width="30%"|288 K
 
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|-
 
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|width="30%"|Wind speeds||align="right" width="30%"|0-100 m/s
 
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|-
 
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!bgcolor="lightsteelblue" colspan="2"|Ecliptic position from primary*
 
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|-
 
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|width="30%"|Note||align="right" width="30%"|*Elements given are from Orbiter.pdf (2016)
 
 
|}
 
|}
  
 
[[Earth]] is the third planet from the [[Sun]] and is the only body known to have life. It is one of the four 'rocky' planets, the others are [[Mercury]], [[Venus]], and [[Mars]]. The [[Moon]] is the only natural satellite orbiting the earth.  
 
[[Earth]] is the third planet from the [[Sun]] and is the only body known to have life. It is one of the four 'rocky' planets, the others are [[Mercury]], [[Venus]], and [[Mars]]. The [[Moon]] is the only natural satellite orbiting the earth.  
  
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The Earth is close to an oblate spheroid, but,  in Orbiter it's modeled as a sphere, its mean diameter is 6371.01 km, but gravitational calculations include the J coefficients given in the table to the right. The sidereal day is 86164.092 seconds, the obliquity is 23.439291°.
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The earth is modeled in Orbiter as an oblate spheroid, its mean diameter is 6371.01 km, equatorial radius 6378.165 km. The sidereal day is 86164.092 seconds, the obliquity is 23.439291°.
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Earth is one of the twelve original bodies in Orbiter since the earliest known version. Its orbit was defined in the Earth.cfg file in Orbiter 2001 and Orbiter 2002, but was later defined in the Vsop87.dll file beginning with Orbiter 2002-P1.
 
  
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== Orbital characteristics ==
 
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Earth is the third planet from the [[Sun]], after [[Mercury]] and [[Venus]], with a [[Semi-major axis|semimajor axis]] in [[Orbiter]] of about 1.49598×10<sup>11</sup> km, and an orbital [[Eccentricity|eccentricity]] of about 0.0167, and
 
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an [[Inclination|inclination]] of 0.00005° (0.00000087 radian).
 
  
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== Physical characteristics ==
 
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The Earth is modeled in Orbiter as a sphere 6371.01 km in radius with a mass of about 5.974×10<sup>24</sup> kg. The Sidereal rotation period is just under 24 hours. At the surface the acceleration due to [[gravity]] is 9.78 m/s<sup>2</sup, and the [[Escape velocity]]|escape velocity]] is 11.186 km/s.
 
  
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== Geological features ==
 
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In Orbiter 2016, Earth is modeled as a sphere with elevations approximating the elevations on the real Earth, including sea level. Included in the stock version are files for Antartic Stations, Cities, Impact Features Islands, Mountains and volcanos, Tracking Stations, and some miscellaneous features. Files are located in your Orbiter\Config\Earth\Marker directory.
 
  
 
== Natural satellites ==
 
== Natural satellites ==
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See [[Earth spaceports in Orbiter2016|Listing of ''Earth spaceports in Orbiter2016'']]
 
See [[Earth spaceports in Orbiter2016|Listing of ''Earth spaceports in Orbiter2016'']]
  
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== Orbiter versions and add-ons which include Earth ==
 
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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 Earth'''</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://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://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://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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|}
 
  
 
== See also ==  
 
== See also ==  
 
*[[Spaceport]], a listing of spaceports on the real Earth used to launch rockets and spacecraft.
 
*[[Spaceport]], a listing of spaceports on the real Earth used to launch rockets and spacecraft.
 
*[[Earth spaceports in Orbiter2016]]
 
*[[Earth spaceports in Orbiter2016]]
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*[[:Category:Add-ons for Earth|Category:Addons for Earth]]
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*[[:Category:Add-ons for Earth|Addons for Earth]]
 
*[[w:Earth|Earth]] at Wikipedia
 
*[[w:Earth|Earth]] at Wikipedia
  
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[[w:Earth|Earth]] at Wikipedia
 
[[w:Earth|Earth]] at Wikipedia
  
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===Gallery===
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[[Category:Celestial bodies]]
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<gallery widths="100" heights="100">
 
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EarthOrbiter2001.jpg|<center>Earth in Orbiter 2001</center>
 
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EarthOrbiter2002.jpg|<center>Earth in Orbiter 2002</center>
 
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Earth-orbiter2002p3.jpg|<center>Earth in Orbiter 2002P3</center>
 
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Earth-orbiter2003P2.jpg|<center>Earth in Orbiter 2003P2</center>
 
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Earth-Orbiter2005P1.jpg|<center>Earth in Orbiter 2005P1</center>
 
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Earth-Orbiter2006P1.jpg|<center>Earth in Orbiter 2006P1</center>
 
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Earth-Orbiter2010P1-Orbiter2010P1.jpg|<center>Earth in Orbiter 2010P1</center>
 
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EarthScrshot.jpg|<center>Earth in Orbiter 2016 with D3D9</center>
 
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The Earth seen from Apollo 17.jpg|<center>The Earth seen from Apollo 17.<br>From Wikimedia Commons.</center>
 
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EpicEarth-Globespin-tilt-23.4.gif|<center>Rotation of the Earth at 23.4°<br>From Wikimedia Commons</center>
 
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Terrestrial planet size comparisons-2.jpg|<center>Inner Solar System bodies for size comparison<br>from left<br>Mercury, Venus, Earth, Moon, Mars, Ceres<br>from Wikimedia Commons</center>
 
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InnerSolarSystem.jpg|<center>View of the inner Solar System showing the orbits of Mercury, Venus, Earth, and Mars<br>from JPL Horizons Orbit Viewer</center>
 
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</gallery>
 
  
  
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[[Category: Articles]]
 
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[[Category:Celestial bodies]]
 
 
[[Category:Solar System]]
 
[[Category:Solar System]]
 
[[Category: Planets]]
 
[[Category: Planets]]

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