GEOGCS["Io (2015) - Sphere / Ocentric", DATUM["Io (2015) - Sphere", SPHEROID["Io (2015) - Sphere",1821490,0, AUTHORITY["IAU","50100"]], AUTHORITY["IAU","50100"]], PRIMEM["Reference Meridian",0, AUTHORITY["IAU","50100"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["IAU","50100"]]