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Ophelia is a small moon orbiting the planet Uranus, discovered in 1986. It is notable for its role in maintaining the structure of Uranus's ring system, as its gravitational effects help shape and stabilize one of the planet's rings.
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Ophelia is a moon of Uranus. 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 was not seen again until the Hubble Space Telescope recovered it in 2003. Ophelia was named after the daughter of Polonius, Ophelia, in William Shakespeare's play Hamlet. It is also designated Uranus VII.
Other than its orbit, size of 54 km × 38 km (34 mi × 24 mi), and geometric albedo of 0.065, little is known about it. In images taken by Voyager 2, Ophelia appears as an elongated object, with its major axis pointing towards Uranus. The ratio of axes of Ophelia's prolate spheroid is 0.7 ± 0.3.