EPSG:21246 — GSK-2011 / GSK 3GK zone 46

Projected · Russia - 136.5°E to 139.5°E onshore

Export Formats

OGC WKT

PROJCS[
    "GSK-2011 / GSK 3GK zone 46",
    GEOGCS[
        "GSK-2011",
        DATUM[
            "Geodezicheskaya_Sistema_Koordinat_2011",
            SPHEROID["GSK-2011",6378136.5,298.2564151],
            TOWGS84[0,0,0,0,0,0,0]
        ],
        PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","7683"]
    ],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",0],
    PARAMETER["central_meridian",138],
    PARAMETER["scale_factor",1],
    PARAMETER["false_easting",46250000],
    PARAMETER["false_northing",0],
    UNIT["metre",1,AUTHORITY["EPSG","9001"]],
    AUTHORITY["EPSG","21246"]
]

WKT2

PROJCRS[
    "GSK-2011 / GSK 3GK zone 46",
    BASEGEOGCRS[
        "GSK-2011",
        DATUM[
            "Geodezicheskaya Sistema Koordinat 2011",
            ELLIPSOID[
                "GSK-2011",
                6378136.5,
                298.2564151,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",1025]
            ],
            ID["EPSG",1159]
        ],
        ID["EPSG",7683]
    ],
    CONVERSION[
        "GSK 3-degree Gauss-Kruger zone 46",
        METHOD["Transverse Mercator",ID["EPSG",9807]],
        PARAMETER[
            "Latitude of natural origin",
            0,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8801]
        ],
        PARAMETER[
            "Longitude of natural origin",
            138,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8802]
        ],
        PARAMETER[
            "Scale factor at natural origin",
            1,
            SCALEUNIT["unity",1,ID["EPSG",9201]],
            ID["EPSG",8805]
        ],
        PARAMETER[
            "False easting",
            46250000,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8806]
        ],
        PARAMETER[
            "False northing",
            0,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8807]
        ],
        ID["EPSG",16946]
    ],
    CS[Cartesian,2,ID["EPSG",4530]],
    AXIS["Northing (X)",north],
    AXIS["Easting (Y)",east],
    LENGTHUNIT["metre",1,ID["EPSG",9001]],
    ID["EPSG",21246]
]

PROJ.4

+proj=tmerc +lat_0=0 +lon_0=138 +k=1 +x_0=46250000 +y_0=0 +ellps=GSK2011 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("EPSG:21246", "+proj=tmerc +lat_0=0 +lon_0=138 +k=1 +x_0=46250000 +y_0=0 +ellps=GSK2011 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 21246,
  "name": "GSK-2011 / GSK 3GK zone 46",
  "kind": "projected",
  "area": "Russia - 136.5°E to 139.5°E onshore",
  "unit": "metre",
  "bbox": [
    44.76,
    136.5,
    76.27,
    139.5
  ],
  "proj4": "+proj=tmerc +lat_0=0 +lon_0=138 +k=1 +x_0=46250000 +y_0=0 +ellps=GSK2011 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs"
}

PostGIS

How to add a projection to PostGIS? →

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (21246, 'EPSG', 21246, '+proj=tmerc +lat_0=0 +lon_0=138 +k=1 +x_0=46250000 +y_0=0 +ellps=GSK2011 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["GSK-2011 / GSK 3GK zone 46",GEOGCS["GSK-2011",DATUM["Geodezicheskaya_Sistema_Koordinat_2011",SPHEROID["GSK-2011",6378136.5,298.2564151],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","7683"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",138],PARAMETER["scale_factor",1],PARAMETER["false_easting",46250000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","21246"]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=tmerc"
  "+lat_0=0"
  "+lon_0=138"
  "+k=1"
  "+x_0=46250000"
  "+y_0=0"
  "+ellps=GSK2011"
  "+towgs84=0,0,0,0,0,0,0"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

GeoServer

How to add a projection to GeoServer? →

21246=PROJCS["GSK-2011 / GSK 3GK zone 46",GEOGCS["GSK-2011",DATUM["Geodezicheskaya_Sistema_Koordinat_2011",SPHEROID["GSK-2011",6378136.5,298.2564151],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","7683"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",138],PARAMETER["scale_factor",1],PARAMETER["false_easting",46250000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","21246"]]

Related Coordinate Systems

Available Transformations (1)

Transformations inherited from base CRS: EPSG:7683 (GSK-2011)

Transformation	Source → Target	Accuracy (m)
GSK-2011 to WGS 84 (1)	7683 → 4326	1

Other CRS using Geodezicheskaya Sistema Koordinat 2011 (176)

Frequently Asked Questions

How do I add EPSG:21246 to GeoServer?

Add the following definition to your GeoServer configuration:

21246=PROJCS["GSK-2011 / GSK 3GK zone 46",GEOGCS["GSK-2011",DATUM["Geodezicheskaya_Sistema_Koordinat_2011",SPHEROID["GSK-2011",6378136.5,298.2564151],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","7683"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",138],PARAMETER["scale_factor",1],PARAMETER["false_easting",46250000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","21246"]]

Read the full GeoServer guide →

How do I add EPSG:21246 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (21246, 'EPSG', 21246, '+proj=tmerc +lat_0=0 +lon_0=138 +k=1 +x_0=46250000 +y_0=0 +ellps=GSK2011 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["GSK-2011 / GSK 3GK zone 46",GEOGCS["GSK-2011",DATUM["Geodezicheskaya_Sistema_Koordinat_2011",SPHEROID["GSK-2011",6378136.5,298.2564151],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","7683"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",138],PARAMETER["scale_factor",1],PARAMETER["false_easting",46250000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","21246"]]');

Read the full PostGIS guide →

How do I add EPSG:21246 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=tmerc"
  "+lat_0=0"
  "+lon_0=138"
  "+k=1"
  "+x_0=46250000"
  "+y_0=0"
  "+ellps=GSK2011"
  "+towgs84=0,0,0,0,0,0,0"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

Read the full MapServer guide →

How do I use EPSG:21246 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("EPSG:21246", "+proj=tmerc +lat_0=0 +lon_0=138 +k=1 +x_0=46250000 +y_0=0 +ellps=GSK2011 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs");

Read the full Proj4js guide →

Type

Projected

Unit

metre

Geodetic CRS

GSK-2011

Datum

Geodezicheskaya Sistema Koordinat 2011

Ellipsoid

GSK-2011

Prime Meridian

Greenwich

Area of Use

Russia - 136.5°E to 139.5°E onshore

Russian Federation - onshore between 136°30'E and 139°30'E.

Coordinate System

Cartesian 2D CS. Axes: northing, easting (X,Y). Orientations: north, east. UoM: m.

Center Coordinates

46250000.00 6711452.39

Projected Bounds

8469206.21 46131236.9146289753.74 4959368.10

WGS84 Bounds

76.27 136.50139.50 44.76

Data Source

EPSG

Information Source

Ministry of Economic Development of the Russian Federation, order N271 of 6th June 2017 as amended 11th December 2017.

Revision Date

2021-07-06

Scope

Cadastre, engineering survey, topographic mapping (large scale).

Remarks

Also found with truncated false easting - see GSK-2011 / GSK 3GK CM 138E (code 21346). Replaces Pulkovo-based CRSs from 2021-01-01.

EPSG

21246