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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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Helene is a natural satellite of [[Saturn]].
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!bgcolor="lightsteelblue" colspan="2" align="center" |Mimas
 
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|colspan="2" align="center"|[[Image:Helene-SaturnMoonszip-Orbiter2016D3D9.jpg|240px]]
 
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|colspan="2" align="center"|'''Helene from ''Saturn Moons.zip'' in Orbiter 2016 with D3D9'''
 
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!bgcolor="lightsteelblue" colspan="2"|Designation
 
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|Name||align="right"|Helene
 
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|width="30%"|Reference body||align="right" width="30%"|[[Saturn]]
 
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!bgcolor="lightsteelblue" colspan="2"|Planetary mean orbits
 
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|width="30%"|Epoch||align="right" width="50%"|2014.39014373717
 
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|width="30%"|Semimajor axis (a)||align="right" width="50%"|377396988.095 m
 
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|width="30%"|Eccentricity (e)||align="right" width="30%"|0.0000022144511577606
 
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|width="30%"|Inclination (i)||align="right" width="30%"|0.00114089659349951° <br> (0.0000199124019814 radian)
 
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|width="30%"|Longitude of the ascending node (LAN, ☊)||align="right" width="30%"|208.626701831817° <br> (3.6412228545417 radian)
 
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|width="30%"|Longitude of periapsis (ϖ)||align="right" width="30%"|104.242486953736° <br> (1.81937461780992 radian)
 
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|width="30%"|Mean longitude (L)||align="right" width="30%"|108.701283931732° <br> (1.89719530575393 radian)
 
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!bgcolor="lightsteelblue" colspan="2"|Selected physical parameters
 
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|width="30%"|Mean radius||align="right" width="30%"|1000 m
 
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|width="30%"|Mass||align="right" width="30%"|1.8×10<sup>15</sup> kg
 
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!bgcolor="lightsteelblue" colspan="2"|Rotation elements
 
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|width="30%"|SidRotPeriod||align="right" width="30%"|65657.58530145804 seconds (18.2382 hours)
 
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|width="30%"|SidRotOffset||align="right" width="30%"|0
 
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|width="30%"|Obliqutiy||align="right" width="30%"|1.09044646015132
 
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|width="30%"|LAN||align="right" width="30%"|5.24385919090949
 
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|width="30%"|Note||align="right" width="30%"|*Elements given are from Helene.cfg (Saturn Moons.zip)
 
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'''Helene (Saturn XII, S/1980 S 6)''' is a [[w:Natural satellite|moon]] of [[Saturn]]. It was discovered by Pierre Laques and Jean Lecacheux in 1980, and was named for [[w:Helen of Troy|Helen of Troy]].
 
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Helene is co-orbital with [[Dione]] in Dione's [[w:Lagrange point|Lagrange (L4) point]]. It is one of four of Saturn's known [[w:Co-orbital configuration#Trojan moons|Trojan moons]].
 
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== Helene in Orbiter ==
 
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Helene was introduced to Orbiter in October 2002 from ''osaturn.zip''.
 
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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 Helene'''</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/saturn-moons.3813/ Saturn Moons]||O-F Resources||2014-09-21||T1234||Scenery||21 September 2014||||
 
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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://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://library.avsim.net/esearch.php?DLID=&Name=&FileName=outerplanets-050125.zip&Author=&CatID=root The Outer Planets 050125]||AVSIM||050125||Rolf Keibel<br>Tony Dunn||Scenery||26 January 2005||Orbiter 2005-P1||
 
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|[https://library.avsim.net/esearch.php?DLID=&Name=&FileName=osaturn.zip&Author=&CatID=root Moons of Saturn Part 3]||AVSIM||||Rolf Keibel||Scenery||19 October 2002||||
 
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== See also ==
 
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[[w:Helene (moon)|Helene]] at [[w:Wikipedia|Wikipedia]]
 
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== Gallery ==
 
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<gallery widths="100" heights="100">
 
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Helene-osaturnzip.jpg|<center>Helene from ''osaturn.zip'' in Orbiter 2002</center>
 
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Helene-outerplanets050125zip-Orbiter2005P1.jpg|<center>Helene from ''outerplanets-050125.zip'' in Orbiter 2005P1</center>
 
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Helene-outerplanets060929basezip-Orbiter2006P1.jpg|<center>Helene ''from outer_planets-060929-base.zip'' in Orbiter 2006P1</center>
 
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Helene-SaturnMoonszip-Orbiter2016D3D9.jpg|<center>Helene from ''Saturn Moons.zip'' in Orbiter 2016 with D3D9</center>
 
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Helene over Saturn.jpg|<center>Helene with Saturn's cloud surface in the background, taken by [[w:Cassini-Huygen|Cassini]] in 2010<br>from Wikimedia Commons</center>
 
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</gallery>
 
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{{SaturnSat}}
 
{{SaturnSat}}
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{{SolarSystem}}
 
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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:Natural satellites]]
 
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[[Category:Satellites of Saturn]]
 
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{{Nsat-Stub}}
 
{{Nsat-Stub}}

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