Encyclopedia > Ophelia (moon)

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Ophelia (moon)

Discovered byVoyager 2
Discovered in1986
Orbital characteristics
Mean radius53,764 km
Orbital period0.37641d
Is a satellite ofUranus
Physical characteristics
Equatorial diameter~42 km
Surface area km2
Mass5.4×1016 kg
Mean density1.3 g/cm3
Surface gravity0.0078m/s2
Rotation period?
Axial tilt
Surface temp.
Atmospheric pressure0 kPa

Ophelia 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 planetary ring. Its orbit is within Uranus' synchronous orbit radius, and is therefore slowy decaying due to tidal forces.

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