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Portia


Portia is the seventh of Uranus' satellites.


Orbital Distance:   66,100 km (circular orbit)
Eccentricity:       0.000
Local Year:         0.513 days (12h 19m 0s)
Orbital Velocity:   9.370 km/s
Inclination:        0.09°
Local Day:          0.513 days (12h 19m 0s)
Axial Tilt:         n/a

Diameter:           110 km
Composition:        Ice
Density:            0.13 g/cm3
Mass:               9.000 x 1013 tonnes (15/billion earths)
Gravity:            Negligable
Escape Velocity:    0.015 km/s
Area:               38,000 km2
Surface Material:   Dark soil and ice
Atmosphere:         None
Pressure:           None
Albedo:             0.07
Temperature:        ???°C

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