Neptunian Ring Data

                            Radius         Optical    Albedo    Width
                        (km)      (Rn)      Depth      (e-3)     (km)
Neptunian equator      24,766    1.000
Galle                 ~41,900    1.692     ~0.0001      ~15     ~1700
Leverrier              53,200    2.148      0.01        ~15      ~100
1989N4R               ~53,200    2.148     ~0.0001      ~15     ~4000
Adams (arcs)           62,932    2.477    0.01 - 0.1    ~15       ~15