EPSG:31981Projected
SIRGAS 2000 / UTM zone 21S
Tipo
Projected
Unità
metre
Accuratezza
1 m
Area d'uso
Brazil - between 60°W and 54°W, northern and southern hemispheres. In remainder of South America - between 60°W and 54°W, southern hemisphere, onshore and offshore.
Definizione proj4
+proj=utm +zone=21 +south +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs
Well-Known Text (WKT)
PROJCS["SIRGAS 2000 / UTM zone 21S",GEOGCS["SIRGAS 2000",DATUM["Sistema_de_Referencia_Geocentrico_para_las_AmericaS_2000",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4674"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-57],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",10000000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","31981"]]