EPSG:3985 DEPRECATED

Katanga 1955 / Katanga Lambert

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

Selected transformation

Method: Molodensky-Badekas (CF geog2D domain)

Remarks: Parameter values taken from Katanga 1955 to RGRDC 2005 (2) (code 4067) assuming that RGRDC 2005 is equivalent to WGS 84 within the accuracy of the transformation.

Information source: SD Geomatique.

Revision date: 2020-03-14

Attributes

Unit: metre

Geodetic CRS: Katanga 1955

Datum: Katanga 1955

Ellipsoid: Clarke 1866

Prime meridian: Greenwich

Data source: EPSG

Information source: J. van der Straeten, "Triangulation du Katanga", Comite Special du Katanga (CSK), 1955.

Revision date: 2009-03-11

Center coordinates
616342.49 -1805412.03

Projected bounds:
541574.14 -1853950.06
691292.53 -1757032.49

WGS84 bounds:
26.38 -12.01
27.75 -11.13

The Democratic Republic of the Congo (Zaire) - Katanga - Likasi-Lubumbashi area.
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Definition: Well Known Text (WKT)

PROJCS["Katanga 1955 / Katanga Lambert",
    GEOGCS["Katanga 1955",
        DATUM["Katanga_1955",
            SPHEROID["Clarke 1866",6378206.4,294.978698213898],
            TOWGS84[-102.283,-10.277,-257.396,-3.976,-0.002,-6.203,12.315]],
        PRIMEM["Greenwich",0],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4695"]],
    PROJECTION["Lambert_Conformal_Conic_2SP"],
    PARAMETER["latitude_of_origin",9],
    PARAMETER["central_meridian",26],
    PARAMETER["standard_parallel_1",-6.5],
    PARAMETER["standard_parallel_2",-11.5],
    PARAMETER["false_easting",500000],
    PARAMETER["false_northing",500000],
    UNIT["metre",1],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","3985"]]

Definition: ESRI WKT

PROJCS["Katanga_1955_Katanga_Lambert",GEOGCS["GCS_Katanga_1955",DATUM["D_Katanga_1955",SPHEROID["Clarke_1866",6378206.4,294.978698213898]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",500000.0],PARAMETER["Central_Meridian",26.0],PARAMETER["Standard_Parallel_1",-6.5],PARAMETER["Standard_Parallel_2",-11.5],PARAMETER["Latitude_Of_Origin",9.0],UNIT["Meter",1.0]]

Definition: PROJ.4

+proj=lcc +lat_0=9 +lon_0=26 +lat_1=-6.5 +lat_2=-11.5 +x_0=500000 +y_0=500000 +ellps=clrk66 +towgs84=-102.283,-10.277,-257.396,-3.976,-0.002,-6.203,12.314999999985 +units=m +no_defs +type=crs

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:3985","+proj=lcc +lat_0=9 +lon_0=26 +lat_1=-6.5 +lat_2=-11.5 +x_0=500000 +y_0=500000 +ellps=clrk66 +towgs84=-102.283,-10.277,-257.396,-3.976,-0.002,-6.203,12.314999999985 +units=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.4/projjson.schema.json",
    "type": "ProjectedCRS",
    "name": "Katanga 1955 / Katanga Lambert",
    "base_crs": {
        "name": "Katanga 1955",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "Katanga 1955",
            "ellipsoid": {
                "name": "Clarke 1866",
                "semi_major_axis": 6378206.4,
                "inverse_flattening": 294.978698213898
            }
        },
        "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": 4695
        }
    },
    "conversion": {
        "name": "Katanga Lambert",
        "method": {
            "name": "Lambert Conic Conformal (2SP)",
            "id": {
                "authority": "EPSG",
                "code": 9802
            }
        },
        "parameters": [
            {
                "name": "Latitude of false origin",
                "value": 9,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8821
                }
            },
            {
                "name": "Longitude of false origin",
                "value": 26,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8822
                }
            },
            {
                "name": "Latitude of 1st standard parallel",
                "value": -6.5,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8823
                }
            },
            {
                "name": "Latitude of 2nd standard parallel",
                "value": -11.5,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8824
                }
            },
            {
                "name": "Easting at false origin",
                "value": 500000,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8826
                }
            },
            {
                "name": "Northing at false origin",
                "value": 500000,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8827
                }
            }
        ]
    },
    "coordinate_system": {
        "subtype": "Cartesian",
        "axis": [
            {
                "name": "Easting",
                "abbreviation": "X",
                "direction": "east",
                "unit": "metre"
            },
            {
                "name": "Northing",
                "abbreviation": "Y",
                "direction": "north",
                "unit": "metre"
            }
        ]
    },
    "scope": "Topographic mapping (medium and small scale).",
    "area": "The Democratic Republic of the Congo (Zaire) - Katanga.",
    "bbox": {
        "south_latitude": -13.46,
        "west_longitude": 21.74,
        "north_latitude": -4.99,
        "east_longitude": 30.78
    },
    "id": {
        "authority": "EPSG",
        "code": 3985
    }
}

Definition: GeoServer

3985=PROJCS["Katanga 1955 / Katanga Lambert",GEOGCS["Katanga 1955",DATUM["Katanga_1955",SPHEROID["Clarke 1866",6378206.4,294.978698213898],TOWGS84[-102.283,-10.277,-257.396,-3.976,-0.002,-6.203,12.315]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4695"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",9],PARAMETER["central_meridian",26],PARAMETER["standard_parallel_1",-6.5],PARAMETER["standard_parallel_2",-11.5],PARAMETER["false_easting",500000],PARAMETER["false_northing",500000],UNIT["metre",1],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3985"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=lcc"
	"lat_0=9"
	"lon_0=26"
	"lat_1=-6.5"
	"lat_2=-11.5"
	"x_0=500000"
	"y_0=500000"
	"ellps=clrk66"
	"towgs84=-102.283,-10.277,-257.396,-3.976,-0.002,-6.203,12.314999999985"
	"units=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=lcc +lat_0=9 +lon_0=26 +lat_1=-6.5 +lat_2=-11.5 +x_0=500000 +y_0=500000 +ellps=clrk66 +towgs84=-102.283,-10.277,-257.396,-3.976,-0.002,-6.203,12.314999999985 +units=m +no_defs +type=crs">
	<Layer srs="+proj=lcc +lat_0=9 +lon_0=26 +lat_1=-6.5 +lat_2=-11.5 +x_0=500000 +y_0=500000 +ellps=clrk66 +towgs84=-102.283,-10.277,-257.396,-3.976,-0.002,-6.203,12.314999999985 +units=m +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 3985, 'EPSG', 3985, '+proj=lcc +lat_0=9 +lon_0=26 +lat_1=-6.5 +lat_2=-11.5 +x_0=500000 +y_0=500000 +ellps=clrk66 +towgs84=-102.283,-10.277,-257.396,-3.976,-0.002,-6.203,12.314999999985 +units=m +no_defs +type=crs', 'PROJCS["Katanga 1955 / Katanga Lambert",GEOGCS["Katanga 1955",DATUM["Katanga_1955",SPHEROID["Clarke 1866",6378206.4,294.978698213898],TOWGS84[-102.283,-10.277,-257.396,-3.976,-0.002,-6.203,12.315]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4695"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",9],PARAMETER["central_meridian",26],PARAMETER["standard_parallel_1",-6.5],PARAMETER["standard_parallel_2",-11.5],PARAMETER["false_easting",500000],PARAMETER["false_northing",500000],UNIT["metre",1],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3985"]]');

Definition: OGC WKT

PROJCS["Katanga 1955 / Katanga Lambert",GEOGCS["Katanga 1955",DATUM["Katanga_1955",SPHEROID["Clarke 1866",6378206.4,294.978698213898],TOWGS84[-102.283,-10.277,-257.396,-3.976,-0.002,-6.203,12.315]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4695"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",9],PARAMETER["central_meridian",26],PARAMETER["standard_parallel_1",-6.5],PARAMETER["standard_parallel_2",-11.5],PARAMETER["false_easting",500000],PARAMETER["false_northing",500000],UNIT["metre",1],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3985"]]

Definition: OGC WKT 2 (2019)

PROJCRS["Katanga 1955 / Katanga Lambert",BASEGEOGCRS["Katanga 1955",DATUM["Katanga 1955",ELLIPSOID["Clarke 1866",6378206.4,294.978698213898,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",4695]],CONVERSION["Katanga Lambert",METHOD["Lambert Conic Conformal (2SP)",ID["EPSG",9802]],PARAMETER["Latitude of false origin",9,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8821]],PARAMETER["Longitude of false origin",26,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8822]],PARAMETER["Latitude of 1st standard parallel",-6.5,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8823]],PARAMETER["Latitude of 2nd standard parallel",-11.5,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8824]],PARAMETER["Easting at false origin",500000,LENGTHUNIT["metre",1],ID["EPSG",8826]],PARAMETER["Northing at false origin",500000,LENGTHUNIT["metre",1],ID["EPSG",8827]]],CS[Cartesian,2],AXIS["easting (X)",east,ORDER[1],LENGTHUNIT["metre",1]],AXIS["northing (Y)",north,ORDER[2],LENGTHUNIT["metre",1]],USAGE[SCOPE["Topographic mapping (medium and small scale)."],AREA["The Democratic Republic of the Congo (Zaire) - Katanga."],BBOX[-13.46,21.74,-4.99,30.78]],ID["EPSG",3985]]