SIRGAS 2000 / UTM zone 23S 31983 SIRGAS 2000 4674 ellipsoidal 6402 Geodetic latitude 9901 Lat north Geodetic longitude 9902 Lon east Sistema_de_Referencia_Geocentrico_para_America_del_Sur_2000 6674 Greenwich 8901 0 GRS 1980 7019 6378137 298.257222101 0 -45 0.9996 500000 10000000 Cartesian 4400 Easting 9906 E east Northing 9907 N north