Moon
Sycorax
TypeMoon
Mass~3 × 10¹⁸ kg
Diameter150 km
Orbital Radius12.2 million km
Orbital Period1,288 days
Known Moons0
Surface Gravity~0.01 m/s²
Average Temp-180 °C
AtmosphereNone
Discovered ByMatthew Holman
Discovery Year1997
About Sycorax
The largest irregular moon of Uranus, orbiting backwards on a distant path. Light red coloring points to an origin as a captured outer object. Found during a 1997 Palomar survey.
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