EPSG systems

EPSG:20824 Aratu / UTM zone 24S

Projected system (Transverse Mercator) in use: Brazil - 42°W to 36°W and Aratu. The full definition below, and conversion in one click.

System record
CodeEPSG:20824
NameAratu / UTM zone 24S
TypeProjected system — Transverse Mercator
Area of use Brazil - 42°W to 36°W and Aratu
Brazil - between 42°W and 36°W, southern hemisphere offshore including Campos and Espirito Santo basins; onshore Tucano basin area.
Bounds W -42,01° · S -26,35° · E -36,00° · N 0,01°
Countries Brazil
DatumAratu
Ellipsoid International 1924 a = 6378388 m · 1/f = 297
Base geographic system EPSG:4208 — Aratu
Unit metre (E east, N north)
Transformation to WGS 84 Aratu to WGS 84 (21) (EPSG:5067) — accuracy 1 m
ScopeOil and gas exploration and production.

Projection parameters

ParameterValueUnit
Latitude of natural origin0degree
Longitude of natural origin-39degree
Scale factor at natural origin0.9996unity
False easting500000metre
False northing10000000metre

proj4 definition

+proj=utm +zone=24 +south +ellps=intl +units=m +towgs84=-151.99,287.04,-147.45 +no_defs

Paste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:20824.

WKT (ESRI format, the .prj content)

PROJCS["Aratu_UTM_Zone_24S",GEOGCS["GCS_Aratu",DATUM["D_Aratu",SPHEROID["International_1924",6378388.0,297.0]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",10000000.0],PARAMETER["Central_Meridian",-39.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]

All systems — Brazil

Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.