Geocentric translations (geog2D domain)
Excludes area affected by the 2011 Tohoku earthquake. For areas of northern Honshu affected by the earthquake see JGD2000 to WGS 84 (2) (code 9896).
OGP
2021-12-30
metre
EPSG
Geographic Survey Institute; Japan. http://vldb.gsi.go.jp/sokuchi/datum/tokyodatum.html
2002-06-22
Cadastre, engineering survey, topographic mapping (large and medium scale).
Replaces Tokyo / Japan Plane Rectangular CS VIII (code 30168).
Cartesian 2D CS. Axes: northing, easting (X,Y). Orientations: north, east. UoM: m.
143814.43 -490325.24
-1734663.02 -2095063.58
2070230.0 1297444.74
122.38 17.09
157.65 46.05
Definition: OGC Well Known Text
PROJCS["JGD2000 / Japan Plane Rectangular CS VIII", GEOGCS["JGD2000", DATUM["Japanese_Geodetic_Datum_2000", SPHEROID["GRS 1980",6378137,298.257222101], TOWGS84[0,0,0,0,0,0,0]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4612"]], PROJECTION["Transverse_Mercator"], PARAMETER["latitude_of_origin",36], PARAMETER["central_meridian",138.5], PARAMETER["scale_factor",0.9999], PARAMETER["false_easting",0], PARAMETER["false_northing",0], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AUTHORITY["EPSG","2450"]]
Definition: OGC Well Known Text 2 (2019)
PROJCRS["JGD2000 / Japan Plane Rectangular CS VIII", BASEGEOGCRS["JGD2000", DATUM["Japanese Geodetic Datum 2000", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",4612]], CONVERSION["Japan Plane Rectangular CS zone VIII", METHOD["Transverse Mercator", ID["EPSG",9807]], PARAMETER["Latitude of natural origin",36, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",138.5, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["Scale factor at natural origin",0.9999, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",0, LENGTHUNIT["metre",1], ID["EPSG",8806]], PARAMETER["False northing",0, LENGTHUNIT["metre",1], ID["EPSG",8807]]], CS[Cartesian,2], AXIS["northing (X)",north, ORDER[1], LENGTHUNIT["metre",1]], AXIS["easting (Y)",east, ORDER[2], LENGTHUNIT["metre",1]], USAGE[ SCOPE["Cadastre, engineering survey, topographic mapping (large and medium scale)."], AREA["Japan - onshore - Honshu between approximately 137°45'E and 139°E - Niigata-ken; Nagano-ken; Yamanashi-ken; Shizuoka-ken."], BBOX[34.54,137.32,38.58,139.91]], ID["EPSG",2450]]
Definition: ESRI Well Known Text
PROJCS["JGD_2000_Japan_Zone_8", GEOGCS["GCS_JGD_2000", DATUM["D_JGD_2000", SPHEROID["GRS_1980",6378137.0,298.257222101]], PRIMEM["Greenwich",0.0], UNIT["Degree",0.0174532925199433]], PROJECTION["Transverse_Mercator"], PARAMETER["False_Easting",0.0], PARAMETER["False_Northing",0.0], PARAMETER["Central_Meridian",138.5], PARAMETER["Scale_Factor",0.9999], PARAMETER["Latitude_Of_Origin",36.0], UNIT["Meter",1.0]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "ProjectedCRS", "name": "JGD2000 / Japan Plane Rectangular CS VIII", "base_crs": { "name": "JGD2000", "datum": { "type": "GeodeticReferenceFrame", "name": "Japanese Geodetic Datum 2000", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 4612 } }, "conversion": { "name": "Japan Plane Rectangular CS zone VIII", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 36, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 138.5, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9999, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Northing", "abbreviation": "X", "direction": "north", "unit": "metre" }, { "name": "Easting", "abbreviation": "Y", "direction": "east", "unit": "metre" } ] }, "scope": "Cadastre, engineering survey, topographic mapping (large and medium scale).", "area": "Japan - onshore - Honshu between approximately 137°45'E and 139°E - Niigata-ken; Nagano-ken; Yamanashi-ken; Shizuoka-ken.", "bbox": { "south_latitude": 34.54, "west_longitude": 137.32, "north_latitude": 38.58, "east_longitude": 139.91 }, "id": { "authority": "EPSG", "code": 2450 } }
Definition: GeoServer
2450=PROJCS["JGD2000 / Japan Plane Rectangular CS VIII",GEOGCS["JGD2000",DATUM["Japanese_Geodetic_Datum_2000",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4612"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",36],PARAMETER["central_meridian",138.5],PARAMETER["scale_factor",0.9999],PARAMETER["false_easting",0],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","2450"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=tmerc +lat_0=36 +lon_0=138.5 +k=0.9999 +x_0=0 +y_0=0 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs"> <Layer srs="+proj=tmerc +lat_0=36 +lon_0=138.5 +k=0.9999 +x_0=0 +y_0=0 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 2450, 'EPSG', 2450, '+proj=tmerc +lat_0=36 +lon_0=138.5 +k=0.9999 +x_0=0 +y_0=0 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["JGD2000 / Japan Plane Rectangular CS VIII",GEOGCS["JGD2000",DATUM["Japanese_Geodetic_Datum_2000",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4612"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",36],PARAMETER["central_meridian",138.5],PARAMETER["scale_factor",0.9999],PARAMETER["false_easting",0],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","2450"]]');