GEOGCS["GCS_Dione_2000",DATUM["D_Dione_2000",SPHEROID["Dione_2000_IAU_IAG",560000,0,AUTHORITY["ESRI","107928"]],AUTHORITY["ESRI","106928"]],PRIMEM["Reference_Meridian",0,AUTHORITY["ESRI","108900"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["ESRI","104928"]]