Soi

-Cat #------Name----Certainty---Long---Lat-----Diameter---Radar Swath----------------------------------------------------------

 4----           Soi--       -   1        139.6W 22.7N---- -75 km------....T16--

Bright jagged-looking rim, with dark floor, and apparent ejecta. Said to be extremely degraded, but the rim is complete and a hint of a central peaks exists. Main degradations appears to be infilling of the floor by materials similar in radar reflectivity to exterior surroundings.