It was discovered from the images taken by Voyager 2 on January 23, 1986, and was given the temporary designation S/1986 U 9.

[9] It was named after the sister of Katherine in Shakespeare's play The Taming of the Shrew.

[10] Bianca belongs to the Portia group of satellites, which also includes Cressida, Desdemona, Juliet, Portia, Rosalind, Cupid, Belinda, and Perdita.

[6] Other than its orbit,[3] size of 64 × 46 km,[4] and geometric albedo of 0.08,[6] virtually nothing is known about it.

In Voyager 2 images Bianca appears as an elongated object, with its major axis pointing towards Uranus.