Changes

== Orbital characteristics ==

== Orbital characteristics ==

[Image:Hyperion true color.jpg|150px|left]]Hyperion is in a slightly eccentric orbit around Saturn and participates in a 4:3 orbital resonance with [[Titan]]. Its sidereal day is about 21.28 [[earth]] days.<ref name=Britannica/><ref name=planetsoc>"[http://www.planetary.org/explore/topics/saturn/hyperion.html Hyperion, Chaotic Moon]." The Planetary Society. Accessed June 9, 2008.</ref> Many astronomers believe that the 4:3 resonance with Titan is responsible for the eccentricity of Hyperion's orbit.<ref name=Britannica/>

[[Image:Hyperion true color.jpg|150px|left]]Hyperion is in a slightly eccentric orbit around Saturn and participates in a 4:3 orbital resonance with [[Titan]]. Its sidereal day is about 21.28 [[earth]] days.<ref name=Britannica/><ref name=planetsoc>"[http://www.planetary.org/explore/topics/saturn/hyperion.html Hyperion, Chaotic Moon]." The Planetary Society. Accessed June 9, 2008.</ref> Many astronomers believe that the 4:3 resonance with Titan is responsible for the eccentricity of Hyperion's orbit.<ref name=Britannica/>

== Rotational characteristics ==

== Rotational characteristics ==