{{Short description|Lake on Titan}} {{Infobox feature on celestial object |name = Sotonera Lacus |image = [[File:PIA10008 Bolsena Lacus.jpg|240px]] |caption = False-color ''[[Cassini–Huygens|Cassini]]'' [[synthetic aperture radar]] image of [[Lakes of Titan|hydrocarbon lakes]] on Titan. [[Bolsena Lacus]] is at center, with Sotonera Lacus to its upper right. |type = Lacus |coordinates = {{coord|76.75|N|17.49|W|globe:titan_type:landmark|display=inline,title}} |diameter = 63&nbsp;km<ref group="note" name="qualifier">The USGS web site gives the size as a "diameter", but it is actually the length in the longest dimension.</ref> |eponym = [[Sotón river#Sotonera reservoir|Lake Sotonera]] }}

'''Sotonera Lacus''' is one of a number of [[Lakes of Titan|hydrocarbon lakes]] found on Saturn's largest moon, [[Titan (moon)|Titan]].<ref name = "USGS">{{cite web | title = Sotonera Lacus | website = planetarynames.wr.usgs.gov | publisher = [[USGS]] | url = https://planetarynames.wr.usgs.gov/Feature/14322 | accessdate = 2013-12-31}}</ref>

Sotonera Lacus is located near the north pole of Titan, centered on [[latitude]] 76.75°[[north|N]] and [[longitude]] 17.49°[[west|W]], and measures 63&nbsp;km in length.<ref name = "USGS"/><ref group="note" name="qualifier"/> It is situated in a north polar region where the majority of Titan's large lakes are found.

The lake is composed of [[liquid]] [[methane]] and [[ethane]],<ref name="Coustenis2008">{{cite book|last1=Coustenis | first1 = A. | last2 = Taylor |first2 = F. W.|title=Titan: Exploring an Earthlike World|url=https://books.google.com/books?id=j3O47dxrDAQC&pg=PA154|date=21 July 2008|publisher=[[World Scientific]]|pages= 154–155|isbn= 978-981-281-161-5|oclc = 144226016}}</ref> and was detected by the [[space craft|space probe]] ''[[Cassini–Huygens|Cassini]]''. It was named in 2007 after [[Sotón river#Sotonera reservoir|Lake Sotonera]] in [[Spain]].<ref name = "USGS"/> <gallery> File:Liquid lakes on titan.jpg|Sotonera mid foreground File:PIA10008 Seas and Lakes on Titan full size.jpg|Lakes, including Sotonera File:PIA17470 Titan northern hemisphere.jpg|Titan northern hemisphere including Sotonera </gallery>

==Notes== <references group="note" />

==References== {{reflist}}

==External links== * [https://planetarynames.wr.usgs.gov/images/titan_northpole_new.pdf USGS labelled synthetic aperture radar map of Titan's north polar region]

{{Titan}}

[[Category:Lakes of Titan (moon)]]