Bianca . Uranus VIII - 1986U9 . Bianca was named after the sister of Katherine in Shakespeare's play The Taming of the Shrew . It is the third known satellite of Uranus and was discovered by Voyager 2 . Bianca Statistics . Discovered by . ... Equatorial radius (km) . ... Equatorial radius (Earth = 1) . ... Mean density (gm/cm^3) . Mean distance from Uranus (km) . ... Rotational period (days) . Orbital period (days) . ... Mean orbital velocity (km/sec) . ...