EPSG systems

EPSG:4639 MOP78

Geographic system in latitude and longitude, in use: Wallis and Futuna - Wallis. Datum, ellipsoid and transformation to WGS 84 below.

System record
CodeEPSG:4639
NameMOP78
TypeGeographic system
Area of use Wallis and Futuna - Wallis
Bounds W -176,25° · S -13,41° · E -176,07° · N -13,16°
Countries Wallis & Futuna
DatumMOP78
Ellipsoid International 1924 a = 6378388 m · 1/f = 297
Unit degree (Lat north, Lon east)
Transformation to WGS 84 MOP78 to WGS 84 (2) (EPSG:15847) — accuracy 10 m
ScopeGeodesy.

proj4 definition

+proj=longlat +ellps=intl +towgs84=253,-132,-127 +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:4639.

WKT (ESRI format, the .prj content)

GEOGCS["GCS_MOP78",DATUM["D_MOP78",SPHEROID["International_1924",6378388.0,297.0]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]

All systems — Wallis & Futuna

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