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
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.
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
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: 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: 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]]