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Cressida


Cressida is the fourth of Uranus' satellites. Bianca and Cressida are within the Roche limit; they are unstable and will eventually be disrupted.


Orbital Distance:   61,770 km (circular orbit)
Eccentricity:       0.000
Local Year:         0.464 days (11h 7m 32s)
Orbital Velocity:   9.681 km/s
Inclination:        0.04°
Local Day:          0.464 days (8h 2m 27s)
Axial Tilt:         n/a

Diameter:           66 km
Composition:        Ice
Density:            0.23 g/cm3
Mass:               3.487 x 1013 tonnes (6/billion earths)
Gravity:            Negligable
Escape Velocity:    0.012 km/s
Area:               13,700 km2
Surface Material:   Dark soil and ice
Atmosphere:         None
Pressure:           None
Albedo:             0.07
Temperature:        ???°C

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