GEOGCS["GCS_Portia_2000",
    DATUM["D_Portia_2000",
        SPHEROID["Portia_2000_IAU_IAG",54000,0,
            AUTHORITY["ESRI","107955"]],
        AUTHORITY["ESRI","106955"]],
    PRIMEM["Reference_Meridian",0,
        AUTHORITY["ESRI","108900"]],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AUTHORITY["ESRI","104955"]]