Cressida is the fourth moon in order of distance from Uranus. It is named after the daughter of Calchas, a character in Shakespeare's play Troilus and Cressida and is also known as Uranus IX. Cressida was discovered by Stephen P. Synnott from images sent back by Voyager 2 on January 9, 1986, and was given the temporary designation S/1986 U3.
|discovery||1986, by Voyager 2|
|semimajor axis||61,780 km (38,400 miles)|
|diameter||92 × 74 km (57 × 46 miles)|
|orbital period||0.464 day (11 hr 8 min.)|
|visual albedo||0.07 (assumed)|