GEOGCS["Dione_2015", DATUM["Dione_2015", SPHEROID["Dione_2015",561400,0, AUTHORITY["ESRI","107979"]], AUTHORITY["ESRI","106979"]], PRIMEM["Reference_Meridian",0, AUTHORITY["ESRI","108900"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["ESRI","104979"]]