Editing Thalassa

{| 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"
!bgcolor="lightsteelblue" colspan="2" align="center" |Thalassa
|-
|colspan="2" align="center"|[[Image:Thalassa-outerplanets050125zip-Orbiter2005P1.jpg|240px]]
|-
|colspan="2" align="center"|<center>'''Thalassa from ''outerplanets-050125.zip'' in Orbiter 2005P1'''</center>
|-
!bgcolor="lightsteelblue" colspan="2"|Designation
|-
|Name||align="right"|Thalassa
|-
|width="30%"|Reference body||align="right" width="30%"|Neptune
|-
!bgcolor="lightsteelblue" colspan="2"|Planetary mean orbits
|-
|width="30%"|Epoch||align="right" width="50%"|2005.41409993155
|-
|width="30%"|Semimajor axis (a)||align="right" width="50%"|50141456.2393526 m
|-
|width="30%"|Eccentricity (e)||align="right" width="30%"|0.00150892409043176
|-
|width="30%"|Inclination (i)||align="right" width="30%"|28.70941508° <br> (0.5010736819528373 radian)
|-
|width="30%"|Longitude of the ascending node (LAN, ☊)||align="right" width="30%"|48.91049933° <br> (0.853649252170769 radian)
|-
|width="30%"|Longitude of periapsis (ϖ)||align="right" width="30%"|171.2203824° <br> (2.98835941988646 radian)
|-
|width="30%"|Mean longitude (L)||align="right" width="30%"|175.7650884° <br> (3.0676795030384 radian)
|-
!bgcolor="lightsteelblue" colspan="2"|Selected physical parameters
|-
|width="30%"|Mean radius||align="right" width="30%"|40200 m
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|width="30%"|Mass||align="right" width="30%"|2.461×10<sup>16</sup> kg
|-
|width="30%"|SidRotPeriod||align="right" width="30%"|26870.4 (7.464 hours)
|-
|width="30%"|SidRotOffset||align="right" width="30%"|0
|-
|width="30%"|Obliquity||align="right" width="30%"|0.5146
|-
|width="30%"|LAN||align="right" width="30%"|3.8594
|-
|width="30%"|Note||align="right" width="30%"|*Elements given are from Thalassa.cfg (NeptuneMoons.zip)
|}

'''Thalassa (Neptune IV, S/1989 N 5)''' is second-innermost known [[Natural satellites|moons]] of [[Neptune]]. It was discovered [[w:Voyager 2|Voyager 2]] in September 1989. It is named after the [[w:Thalassa|daughter]] of Aether and Hermera of [[w:Greek mythology|Greek mythology]].

== Thalassa in Orbiter ==
Thalassa was first introduced into Orbiter with the add-on ''neptune.zip'' in November 2002.

{|class="wikitable sortable” style="text-align: center"
|-
|colspan="8"|<center>'''Orbiter versions and add-ons which include Thalassa'''</center>
|-
!Add-on!!Source!!Version!!Author!!Type!!Release Date!!Compatibility!!Wiki article
|-
|[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||
|-
|[https://www.orbiter-forum.com/resources/neptune-minor-moons.226/ Neptune Minor Moons]||O-F Resources||2004-12-14||Nighthawke||Scenery||14 December 2004||||
|-
|[https://library.avsim.net/esearch.php?DLID=&Name=&FileName=neptune.zip&Author=&CatID=root Neptune]||AVSIM||||Rolf Keibel||Scenery||7 November 2002||||
|}

<gallery widths="200" heights="200">
Thalassa-neptunezip.jpg|<center>Thalassa from ''neptune.zip'' in Orbiter 2002</center>
Thalassa-NeptuneMoonszip-Orbiter2003P2.jpg|<center>Thalassa from ''NeptuneMoons.zip'' in Orbiter 2003P2</center>
Thalassa-outerplanets050125zip-Orbiter2005P1.jpg|<center>Thalassa from ''outerplanets-050125.zip'' in Orbiter 2005P1</center>
Neptune Trio.jpg|<center>Image of Thalassa, [[Naiad]], and [[Despina]] from [[w:Voyager 2|Voyager 2]],<br>from Wikimedia Commons</center>
</gallery>

{{NeptuneSat}}
{{SolarSystem}}

[[Category:Articles]]
[[Category:Celestial bodies]]
[[Category:Solar System]]
[[Category:Natural satellites]]
[[Category:Satellites of Neptune]]

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