Pulkovo 1995 / Gauss-Kruger zone 20

Russian Federation - onshore and offshore. , accuracy 1.0 m, code 5043 (default) [7]
Russian Federation - onshore and offshore. , accuracy 1.0 m, code 1281 [7]

Selected transformation

Method: Coordinate Frame rotation (geog2D domain)

Remarks: Derived through concatenation of Pulkovo 1995 to PZ-90.02 to WGS 84. Replaces Pulkovo 1995 to WGS 84 (1), tfm code 1281.

Information source: GOST R 51794-2008, approved by GosStandard of Russia Decree #609 of December 18, 2008. GOST R 51794-2008 supersedes GOST R 51794-2001.

Revision date: 2020-03-14

Attributes

Unit: metre

Geodetic CRS: Pulkovo 1995

Datum: Pulkovo 1995

Ellipsoid: Krassowsky 1940

Prime meridian: Greenwich

Data source: EPSG

Information source: "Main Terms of Reference for the State Geodetic Network"; Federal Geodetic Service of Russia; 1994

Revision date: 2002-06-22

Scope: Topographic mapping (medium scale).

Remarks: Also found with truncated false easting - see Pulkovo 1995 / Gauss-Kruger CM 117E (code 2479).

Area of use: Russian Federation - onshore between 114°E and 120°E.

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

Covered area powered by MapTiler

Center coordinates
19883481.26 6993742.36

Projected bounds:
14144922.89 11063994.23
21016981.23 9853875.6

WGS84 bounds:
18.92 39.87
-168.97 85.19

Russian Federation - onshore and offshore.

Definition: Well Known Text (WKT)

PROJCS["Pulkovo 1995 / Gauss-Kruger zone 20",
    GEOGCS["Pulkovo 1995",
        DATUM["Pulkovo_1995",
            SPHEROID["Krassowsky 1940",6378245,298.3],
            TOWGS84[24.47,-130.89,-81.56,0,0,-0.13,-0.219999999995]],
        PRIMEM["Greenwich",0],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4200"]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",0],
    PARAMETER["central_meridian",117],
    PARAMETER["scale_factor",1],
    PARAMETER["false_easting",20500000],
    PARAMETER["false_northing",0],
    UNIT["metre",1],
    AUTHORITY["EPSG","20020"]]

Definition: ESRI WKT

PROJCS["Pulkovo_1995_GK_Zone_20",GEOGCS["GCS_Pulkovo_1995",DATUM["D_Pulkovo_1995",SPHEROID["Krasovsky_1940",6378245.0,298.3]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Gauss_Kruger"],PARAMETER["False_Easting",20500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",117.0],PARAMETER["Scale_Factor",1.0],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]

Definition: PROJ.4

+proj=tmerc +lat_0=0 +lon_0=117 +k=1 +x_0=20500000 +y_0=0 +ellps=krass +towgs84=24.47,-130.89,-81.56,0,0,-0.13,-0.219999999995224 +units=m +no_defs +type=crs

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:20020","+proj=tmerc +lat_0=0 +lon_0=117 +k=1 +x_0=20500000 +y_0=0 +ellps=krass +towgs84=24.47,-130.89,-81.56,0,0,-0.13,-0.219999999995224 +units=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.4/projjson.schema.json",
    "type": "ProjectedCRS",
    "name": "Pulkovo 1995 / Gauss-Kruger zone 20",
    "base_crs": {
        "name": "Pulkovo 1995",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "Pulkovo 1995",
            "ellipsoid": {
                "name": "Krassowsky 1940",
                "semi_major_axis": 6378245,
                "inverse_flattening": 298.3
            }
        },
        "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": 4200
        }
    },
    "conversion": {
        "name": "6-degree Gauss-Kruger zone 20",
        "method": {
            "name": "Transverse Mercator",
            "id": {
                "authority": "EPSG",
                "code": 9807
            }
        },
        "parameters": [
            {
                "name": "Latitude of natural origin",
                "value": 0,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8801
                }
            },
            {
                "name": "Longitude of natural origin",
                "value": 117,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8802
                }
            },
            {
                "name": "Scale factor at natural origin",
                "value": 1,
                "unit": "unity",
                "id": {
                    "authority": "EPSG",
                    "code": 8805
                }
            },
            {
                "name": "False easting",
                "value": 20500000,
                "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": "Topographic mapping (medium scale).",
    "area": "Russian Federation - onshore between 114°E and 120°E.",
    "bbox": {
        "south_latitude": 49.51,
        "west_longitude": 114,
        "north_latitude": 75.96,
        "east_longitude": 120
    },
    "id": {
        "authority": "EPSG",
        "code": 20020
    }
}

Definition: GeoServer

20020=PROJCS["Pulkovo 1995 / Gauss-Kruger zone 20",GEOGCS["Pulkovo 1995",DATUM["Pulkovo_1995",SPHEROID["Krassowsky 1940",6378245,298.3],TOWGS84[24.47,-130.89,-81.56,0,0,-0.13,-0.219999999995]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4200"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",117],PARAMETER["scale_factor",1],PARAMETER["false_easting",20500000],PARAMETER["false_northing",0],UNIT["metre",1],AUTHORITY["EPSG","20020"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=tmerc"
	"lat_0=0"
	"lon_0=117"
	"k=1"
	"x_0=20500000"
	"y_0=0"
	"ellps=krass"
	"towgs84=24.47,-130.89,-81.56,0,0,-0.13,-0.219999999995224"
	"units=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=tmerc +lat_0=0 +lon_0=117 +k=1 +x_0=20500000 +y_0=0 +ellps=krass +towgs84=24.47,-130.89,-81.56,0,0,-0.13,-0.219999999995224 +units=m +no_defs +type=crs">
	<Layer srs="+proj=tmerc +lat_0=0 +lon_0=117 +k=1 +x_0=20500000 +y_0=0 +ellps=krass +towgs84=24.47,-130.89,-81.56,0,0,-0.13,-0.219999999995224 +units=m +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 20020, 'EPSG', 20020, '+proj=tmerc +lat_0=0 +lon_0=117 +k=1 +x_0=20500000 +y_0=0 +ellps=krass +towgs84=24.47,-130.89,-81.56,0,0,-0.13,-0.219999999995224 +units=m +no_defs +type=crs', 'PROJCS["Pulkovo 1995 / Gauss-Kruger zone 20",GEOGCS["Pulkovo 1995",DATUM["Pulkovo_1995",SPHEROID["Krassowsky 1940",6378245,298.3],TOWGS84[24.47,-130.89,-81.56,0,0,-0.13,-0.219999999995]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4200"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",117],PARAMETER["scale_factor",1],PARAMETER["false_easting",20500000],PARAMETER["false_northing",0],UNIT["metre",1],AUTHORITY["EPSG","20020"]]');

Definition: OGC WKT

PROJCS["Pulkovo 1995 / Gauss-Kruger zone 20",GEOGCS["Pulkovo 1995",DATUM["Pulkovo_1995",SPHEROID["Krassowsky 1940",6378245,298.3],TOWGS84[24.47,-130.89,-81.56,0,0,-0.13,-0.219999999995]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4200"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",117],PARAMETER["scale_factor",1],PARAMETER["false_easting",20500000],PARAMETER["false_northing",0],UNIT["metre",1],AUTHORITY["EPSG","20020"]]

Definition: OGC WKT 2 (2019)

PROJCRS["Pulkovo 1995 / Gauss-Kruger zone 20",BASEGEOGCRS["Pulkovo 1995",DATUM["Pulkovo 1995",ELLIPSOID["Krassowsky 1940",6378245,298.3,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",4200]],CONVERSION["6-degree Gauss-Kruger zone 20",METHOD["Transverse Mercator",ID["EPSG",9807]],PARAMETER["Latitude of natural origin",0,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8801]],PARAMETER["Longitude of natural origin",117,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8802]],PARAMETER["Scale factor at natural origin",1,SCALEUNIT["unity",1],ID["EPSG",8805]],PARAMETER["False easting",20500000,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["Topographic mapping (medium scale)."],AREA["Russian Federation - onshore between 114°E and 120°E."],BBOX[49.51,114,75.96,120]],ID["EPSG",20020]]

EPSG:20020