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Solar
Moon

Phoebe

Orbital elements

Semi-major axis
0.086 AU
Eccentricity
0.1562
Inclination
175.24°
Orbital period
550.3 days
Epoch · J2000
J2000

Physical properties

Mean radius
107 km
Mass
8.292 × 10¹⁸ kg
Density
1.638 g/cm³

Visual & observation

Geometric albedo
0.06

Discovery & classification

Discovered by
William Henry Pickering
Discovery date
18 March 1899

Sources