GEOGCS["GCS_Callisto_2000",DATUM["D_Callisto_2000",SPHEROID["Callisto_2000_IAU_IAG",2409300,0,AUTHORITY["ESRI","107912"]],AUTHORITY["ESRI","106912"]],PRIMEM["Reference_Meridian",0,AUTHORITY["ESRI","108900"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["ESRI","104912"]]