S/2003 U 3 is a natural satellite of Uranus. It was discovered by Scott S. Sheppard, et al. in 2003. It orbits Uranus at a distance of about 14,345,000 km. S/2003 U 3 is about 11 kilometres in diameter. It stands out from the rest of Sycorax' group by its inclination, which is only 56.63°, whereas all of the Sycorax group moons are retrograde, with inclinations in the 140-170° range.

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