Ellipsoid: International 1924
Prime meridian: Greenwich
Data source: EPSG
Information source: IGN Paris.
Revision date: 2002-11-29
Scope: Geodesy, cadastre, engineering survey, topographic mapping.
Area of use: Wallis and Futuna - Wallis.
Definition: OGC Well Known Text
DATUM["MOP78", SPHEROID["International 1924",6378388,297, AUTHORITY["EPSG","7022"]], AUTHORITY["EPSG","6639"]]
Definition: OGC Well Known Text 2 (2019)
DATUM["MOP78", ELLIPSOID["International 1924",6378388,297, LENGTHUNIT["metre",1]], ID["EPSG",6639]]
Definition: ESRI Well Known Text
DATUM["D_MOP78", SPHEROID["International_1924",6378388.0,297.0]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.5/projjson.schema.json", "type": "GeodeticReferenceFrame", "name": "MOP78", "ellipsoid": { "name": "International 1924", "semi_major_axis": 6378388, "inverse_flattening": 297 }, "scope": "Geodesy, cadastre, engineering survey, topographic mapping.", "area": "Wallis and Futuna - Wallis.", "bbox": { "south_latitude": -13.41, "west_longitude": -176.25, "north_latitude": -13.16, "east_longitude": -176.07 }, "id": { "authority": "EPSG", "code": 6639 } }