: there is also an asteroid called 218 bianca.   bianca ( ) is an inner satellite of uranus. it was discovered from the images taken by voyager 2 on january 23, 1986, and was given the temporary designation s/1986&nbsp;u&nbsp;9. it was named after the sister of katherine in shakespeare's play the taming of the shrew. it is also designated uranus&nbsp;viii. bianca belongs to portia group of satellites, which also includes cressida, desdemona, juliet, portia, rosalind, cupid, belinda and perdita. these satellites have similar orbits and photometric properties. other than its orbit, radius of 27&nbsp;km, and geometric albedo of 0.08 virtually nothing is known about it. at the voyager 2 images bianca appears as an elongated object, the major axis pointing towards uranus. the ratio of axes of the bianca's prolate spheroid is 0.7 Â± 0.2. its surface is grey in color. == see also == * moons of uranus == references == explanatory notes  citations {{reflist | refs =    {{cite web | last = williams | first = dr. david r. | date = 23 november 2007 | title = uranian satellite fact sheet | publisher = nasa (national space science data center) | url = http://nssdc.gsfc.na
Astronomical_objects_discovered_in_1986 Moons_of_Uranus