Perdita (moon)
Perdita belongs to Portia Group of moons, which also includes Bianca, Cressida, Desdemona, Portia, Juliet, Cupid, Rosalind and Belinda. These moons have similar orbits and photometric properties. Unfortunately, other than its orbit, radius of  15 km, and geometric albedo of 0.08, almost nothing is known about it.