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Phoebe is a small moon that orbits Saturn, the second-largest planet in our solar system. It is significant because its unusual characteristics and distant orbit have made it an important subject of scientific study for understanding the origins and composition of objects in the outer solar system.
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Apparent magnitude 16 Absolute magnitude (H) 6.6 6.59±0.02 6.71
Phoebe (/ˈfiːbi/ FEE-bee) is the most massive irregular satellite of Saturn with a mean diameter of 213 km (132 mi). It was discovered by William Henry Pickering on 18 March 1899 from photographic plates that had been taken by DeLisle Stewart starting on 16 August 1898 at the Boyden Station of the Carmen Alto Observatory near Arequipa, Peru. It was the first natural satellite to be discovered photographically.