Ellipsoid: GRS 1980
Prime meridian: Greenwich
Data source: EPSG
Information source: Geodetic Department, Geospatial Information Authority of Japan (GSI).
Revision date: 2013-12-15
Scope: Geodesy, engineering survey, topographic mapping.
Remarks: Instigated under amendment to the Japanese Surveying Law with effect from 21st October 2011. Replaces JGD2000 (datum code 6612).
Area of use: Japan - onshore and offshore.
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeodeticReferenceFrame", "name": "Japanese Geodetic Datum 2011", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 }, "scope": "Geodesy, engineering survey, topographic mapping.", "area": "Japan - onshore and offshore.", "bbox": { "south_latitude": 17.09, "west_longitude": 122.38, "north_latitude": 46.05, "east_longitude": 157.65 }, "id": { "authority": "EPSG", "code": 1128 } }