EPSG:5523 WGS 84 / Gabon TM 2011
Projected system (Transverse Mercator) in use: Gabon. The full definition below, and conversion in one click.
| Code | EPSG:5523 |
|---|---|
| Name | WGS 84 / Gabon TM 2011 |
| Type | Projected system — Transverse Mercator |
| Area of use |
Gabon Gabon - onshore and offshore. |
| Bounds | W 7,03° · S -6,37° · E 14,52° · N 2,32° |
| Countries | Gabon |
| Datum | World 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 |
| Scope | Cadastre, engineering survey, topographic mapping (large and medium scale). |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of natural origin | 0 | degree |
| Longitude of natural origin | 11.5 | degree |
| Scale factor at natural origin | 0.9996 | unity |
| False easting | 1500000 | metre |
| False northing | 5500000 | metre |
proj4 definition
+proj=tmerc +lat_0=0 +lon_0=11.5 +k=0.9996 +x_0=1500000 +y_0=5500000 +datum=WGS84 +units=m +no_defsPaste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:5523.
WKT (ESRI format, the .prj content)
PROJCS["WGS_1984_UTM_Gabon_TM_2011",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",1500000.0],PARAMETER["False_Northing",5500000.0],PARAMETER["Central_Meridian",11.5],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]Other systems — Gabon
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.