NAD83(CSRS)v6 / UTM zone 21N

Attributes

Unit: metre

Geodetic CRS: NAD83(CSRS)v6

Datum: North American Datum of 1983 (CSRS) version 6

Ellipsoid: GRS 1980

Prime meridian: Greenwich

Data source: EPSG

Information source: Natural Resources Canada, https://natural-resources.canada.ca/

Revision date: 2023-07-17

Scope: Engineering survey, topographic mapping.

Remarks: Adopted by the Canadian federal government in 2012 and the provincial governments of Nova Scotia in 2014 and Newfoundland in 2012.

Area of use: Canada between 60°W and 54°W - Newfoundland and Labrador; Nunavut; Quebec.

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

Covered area powered by MapTiler

Center coordinates
500000.0 6793975.67

Projected bounds:
238596.65 4267951.15
761403.35 9329005.18

WGS84 bounds:
-60.0 38.56
-54.0 84.0

Canada between 60°W and 54°W - Newfoundland and Labrador; Nunavut; Quebec.

Definition: OGC Well Known Text

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PROJCS["NAD83(CSRS)v6 / UTM zone 21N",
    GEOGCS["NAD83(CSRS)v6",
        DATUM["North_American_Datum_of_1983_CSRS_version_6",
            SPHEROID["GRS 1980",6378137,298.257222101,
                AUTHORITY["EPSG","7019"]],
            AUTHORITY["EPSG","1197"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","8252"]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",0],
    PARAMETER["central_meridian",-57],
    PARAMETER["scale_factor",0.9996],
    PARAMETER["false_easting",500000],
    PARAMETER["false_northing",0],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","22621"]]

Definition: OGC Well Known Text 2 (2019)

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PROJCRS["NAD83(CSRS)v6 / UTM zone 21N",
    BASEGEOGCRS["NAD83(CSRS)v6",
        DATUM["North American Datum of 1983 (CSRS) version 6",
            ELLIPSOID["GRS 1980",6378137,298.257222101,
                LENGTHUNIT["metre",1]]],
        PRIMEM["Greenwich",0,
            ANGLEUNIT["degree",0.0174532925199433]],
        ID["EPSG",8252]],
    CONVERSION["UTM zone 21N",
        METHOD["Transverse Mercator",
            ID["EPSG",9807]],
        PARAMETER["Latitude of natural origin",0,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8801]],
        PARAMETER["Longitude of natural origin",-57,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8802]],
        PARAMETER["Scale factor at natural origin",0.9996,
            SCALEUNIT["unity",1],
            ID["EPSG",8805]],
        PARAMETER["False easting",500000,
            LENGTHUNIT["metre",1],
            ID["EPSG",8806]],
        PARAMETER["False northing",0,
            LENGTHUNIT["metre",1],
            ID["EPSG",8807]]],
    CS[Cartesian,2],
        AXIS["(E)",east,
            ORDER[1],
            LENGTHUNIT["metre",1]],
        AXIS["(N)",north,
            ORDER[2],
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Engineering survey, topographic mapping."],
        AREA["Canada between 60°W and 54°W - Newfoundland and Labrador; Nunavut; Quebec."],
        BBOX[38.56,-60,84,-54]],
    ID["EPSG",22621]]

Definition: ESRI Well Known Text

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PROJCS["NAD_1983_(CSRS)_v6_UTM_Zone_21N",
    GEOGCS["GCS_NAD83_CSRS_v6",
        DATUM["North_American_Datum_of_1983_(CSRS)_version_6",
            SPHEROID["GRS_1980",6378137.0,298.257222101]],
        PRIMEM["Greenwich",0.0],
        UNIT["Degree",0.0174532925199433]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["False_Easting",500000.0],
    PARAMETER["False_Northing",0.0],
    PARAMETER["Central_Meridian",-57.0],
    PARAMETER["Scale_Factor",0.9996],
    PARAMETER["Latitude_Of_Origin",0.0],
    UNIT["Meter",1.0]]

Definition: PROJ.4

+proj=utm +zone=21 +ellps=GRS80 +units=m +no_defs +type=crs

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:22621","+proj=utm +zone=21 +ellps=GRS80 +units=m +no_defs +type=crs");

Definition: JSON

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{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "ProjectedCRS",
    "name": "NAD83(CSRS)v6 / UTM zone 21N",
    "base_crs": {
        "name": "NAD83(CSRS)v6",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "North American Datum of 1983 (CSRS) version 6",
            "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": 8252
        }
    },
    "conversion": {
        "name": "UTM zone 21N",
        "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": -57,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8802
                }
            },
            {
                "name": "Scale factor at natural origin",
                "value": 0.9996,
                "unit": "unity",
                "id": {
                    "authority": "EPSG",
                    "code": 8805
                }
            },
            {
                "name": "False easting",
                "value": 500000,
                "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": "Easting",
                "abbreviation": "E",
                "direction": "east",
                "unit": "metre"
            },
            {
                "name": "Northing",
                "abbreviation": "N",
                "direction": "north",
                "unit": "metre"
            }
        ]
    },
    "scope": "Engineering survey, topographic mapping.",
    "area": "Canada between 60°W and 54°W - Newfoundland and Labrador; Nunavut; Quebec.",
    "bbox": {
        "south_latitude": 38.56,
        "west_longitude": -60,
        "north_latitude": 84,
        "east_longitude": -54
    },
    "id": {
        "authority": "EPSG",
        "code": 22621
    }
}

Definition: GeoServer

22621=PROJCS["NAD83(CSRS)v6 / UTM zone 21N",GEOGCS["NAD83(CSRS)v6",DATUM["North_American_Datum_of_1983_CSRS_version_6",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1197"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","8252"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-57],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","22621"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=utm"
	"zone=21"
	"ellps=GRS80"
	"units=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=utm +zone=21 +ellps=GRS80 +units=m +no_defs +type=crs">
	<Layer srs="+proj=utm +zone=21 +ellps=GRS80 +units=m +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 22621, 'EPSG', 22621, '+proj=utm +zone=21 +ellps=GRS80 +units=m +no_defs +type=crs', 'PROJCS["NAD83(CSRS)v6 / UTM zone 21N",GEOGCS["NAD83(CSRS)v6",DATUM["North_American_Datum_of_1983_CSRS_version_6",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1197"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","8252"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-57],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","22621"]]');

EPSG:22621