EPSG systems

EPSG:5223 WGS 84 / Gabon TM

Projected system (Transverse Mercator) in use: Gabon - onshore. The full definition below, and conversion in one click.

System record
CodeEPSG:5223
NameWGS 84 / Gabon TM
TypeProjected system — Transverse Mercator
Area of use Gabon - onshore
Bounds W 8,65° · S -3,98° · E 14,52° · N 2,32°
Countries Gabon
DatumWorld Geodetic System 1984
Ellipsoid WGS 84 a = 6378137 m · 1/f = 298.257223563
Base geographic system EPSG:4326 — WGS 84
Unit metre (X east, Y north)
Transformation to WGS 84 None: this is WGS 84
ScopeForestry.

Projection parameters

ParameterValueUnit
Latitude of natural origin0degree
Longitude of natural origin12degree
Scale factor at natural origin0.9996unity
False easting500000metre
False northing500000metre

proj4 definition

+proj=tmerc +lat_0=0 +lon_0=12 +k=0.9996 +x_0=500000 +y_0=500000 +datum=WGS84 +units=m +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:5223.

WKT (ESRI format, the .prj content)

PROJCS["WGS_1984_UTM_Gabon_TM",GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",500000.0],PARAMETER["Central_Meridian",12.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]

All systems — Gabon

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