EPSG:4301

Tokyo

Transform Get position on a map

Available transformations
to EPSG:4326
EPSG:4326 - WGS 84

Selected transformation

Method: Geocentric translations (geog2D domain)

Remarks: Parameter values from Tokyo to JGD2000 (1) (code 15483). Assumes JGD2000 and WGS 84 can be considered the same to within the accuracy of the transformation.

Information source: OGP

Revision date: 2021-09-23

Attributes

Unit: degree (supplier to define representation)

Geodetic CRS: Tokyo

Datum: Tokyo

Ellipsoid: Bessel 1841

Prime meridian: Greenwich

Data source: EPSG

Information source: Geographic Survey Institute; Japan; Bulletin 40 (March 1994). Also http://vldb.gsi.go.jp/sokuchi/datum/tokyodatum.html

Revision date: 2010-06-30

Scope: Geodesy.

Remarks: In Japan, replaces Tokyo 1892 (CRS code 5132) and replaced by JGD2000 (code 4612) from April 2002. In Korea used only for geodetic applications before being replaced by Korean 1985 (code 4162).

Area of use: Japan - onshore; North Korea - onshore; South Korea - onshore.

Coordinate system: Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: degree

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SimpleMap

Center coordinates
138.44 32.95

WGS84 bounds:
122.83 20.37
154.05 45.54

Japan including outlying islands - onshore.
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Definition: OGC Well Known Text

GEOGCS["Tokyo",
    DATUM["Tokyo",
        SPHEROID["Bessel 1841",6377397.155,299.1528128],
        TOWGS84[-146.414,507.337,680.507,0,0,0,0]],
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","4301"]]

Definition: OGC Well Known Text 2 (2019)

GEOGCRS["Tokyo",
    DATUM["Tokyo",
        ELLIPSOID["Bessel 1841",6377397.155,299.1528128,
            LENGTHUNIT["metre",1]]],
    PRIMEM["Greenwich",0,
        ANGLEUNIT["degree",0.0174532925199433]],
    CS[ellipsoidal,2],
        AXIS["geodetic latitude (Lat)",north,
            ORDER[1],
            ANGLEUNIT["degree",0.0174532925199433]],
        AXIS["geodetic longitude (Lon)",east,
            ORDER[2],
            ANGLEUNIT["degree",0.0174532925199433]],
    USAGE[
        SCOPE["Geodesy."],
        AREA["Japan - onshore; North Korea - onshore; South Korea - onshore."],
        BBOX[20.37,122.83,45.54,154.05]],
    ID["EPSG",4301]]

Definition: ESRI Well Known Text

GEOGCS["GCS_Tokyo",
    DATUM["D_Tokyo",
        SPHEROID["Bessel_1841",6377397.155,299.1528128]],
    PRIMEM["Greenwich",0.0],
    UNIT["Degree",0.0174532925199433]]

Definition: PROJ.4

+proj=longlat +ellps=bessel +towgs84=-146.414,507.337,680.507,0,0,0,0 +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:4301","+proj=longlat +ellps=bessel +towgs84=-146.414,507.337,680.507,0,0,0,0 +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "GeographicCRS",
    "name": "Tokyo",
    "datum": {
        "type": "GeodeticReferenceFrame",
        "name": "Tokyo",
        "ellipsoid": {
            "name": "Bessel 1841",
            "semi_major_axis": 6377397.155,
            "inverse_flattening": 299.1528128
        }
    },
    "coordinate_system": {
        "subtype": "ellipsoidal",
        "axis": [
            {
                "name": "Geodetic latitude",
                "abbreviation": "Lat",
                "direction": "north",
                "unit": "degree"
            },
            {
                "name": "Geodetic longitude",
                "abbreviation": "Lon",
                "direction": "east",
                "unit": "degree"
            }
        ]
    },
    "scope": "Geodesy.",
    "area": "Japan - onshore; North Korea - onshore; South Korea - onshore.",
    "bbox": {
        "south_latitude": 20.37,
        "west_longitude": 122.83,
        "north_latitude": 45.54,
        "east_longitude": 154.05
    },
    "id": {
        "authority": "EPSG",
        "code": 4301
    }
}

Definition: GeoServer

4301=GEOGCS["Tokyo",DATUM["Tokyo",SPHEROID["Bessel 1841",6377397.155,299.1528128],TOWGS84[-146.414,507.337,680.507,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4301"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"ellps=bessel"
	"towgs84=-146.414,507.337,680.507,0,0,0,0"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=longlat +ellps=bessel +towgs84=-146.414,507.337,680.507,0,0,0,0 +no_defs +type=crs">
	<Layer srs="+proj=longlat +ellps=bessel +towgs84=-146.414,507.337,680.507,0,0,0,0 +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4301, 'EPSG', 4301, '+proj=longlat +ellps=bessel +towgs84=-146.414,507.337,680.507,0,0,0,0 +no_defs +type=crs', 'GEOGCS["Tokyo",DATUM["Tokyo",SPHEROID["Bessel 1841",6377397.155,299.1528128],TOWGS84[-146.414,507.337,680.507,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4301"]]');