Ophelia (Moon)

b>Ophelia
bgcolor="#ffc0c0" colspan="2" | Discovery
align="left" | Discovered by Voyager 2
align="left" | Discovered in 1986
bgcolor="#ffc0c0" colspan="2" | Orbital characteristics
align="left" | Mean radius 53,764 km
align="left" | Eccentricity 0.0101
align="left" | Orbital period 0.37641d
align="left" | Inclination 0.09°
align="left" | Is a satellite of Uranus
bgcolor="#ffc0c0" colspan="2" | Physical characteristics
align="left" | Mean diameter 42.8 km
align="left" | Surface area km2
align="left" | Mass 5.4×1016 kg
align="left" | Mean density 1.3 g/cm3
align="left" | Surface gravity 0.0078m/s2
align="left" | Rotation period ?
align="left" | Axial tilt
align="left" | Albedo 0.07
align="left" | Surface temp. {| cellspacing="0" cellpadding="2" border="0"
min !! mean !! max
K K K }
align="left" | Atmospheric pressure 0 kPa
Ophelia (oh-fee'-lee-a) is a moon of Uranus. It was named after the daughter of Polonius in William Shakespeare's play Hamlet. Ophelia acts as the outer shepherd satellite for Uranus' epsilon ring. Its orbit is within Uranus' synchronous orbit radius, and is therefore slowly decaying due to tidal forces. It was discovered from the images taken by Voyager 2 on January 20, 1986, and was given the temporary designation S/1986 U 8. It is also designated Uranus VII. There is also an asteroid called 171 Ophelia.

 

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