EPSG:26391 — Minna / Nigeria West Belt

Projected · Nigeria - west of 6.5°E

Export Formats

OGC WKT

PROJCS[
    "Minna / Nigeria West Belt",
    GEOGCS[
        "Minna",
        DATUM[
            "Minna",
            SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465],
            TOWGS84[-92,-93,122,0,0,0,0]
        ],
        PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4263"]
    ],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",4],
    PARAMETER["central_meridian",4.5],
    PARAMETER["scale_factor",0.99975],
    PARAMETER["false_easting",230738.26],
    PARAMETER["false_northing",0],
    UNIT["metre",1,AUTHORITY["EPSG","9001"]],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","26391"]
]

WKT2

PROJCRS[
    "Minna / Nigeria West Belt",
    BASEGEOGCRS[
        "Minna",
        DATUM[
            "Minna",
            ELLIPSOID[
                "Clarke 1880 (RGS)",
                6378249.145,
                293.465,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",7012]
            ],
            ID["EPSG",6263]
        ],
        ID["EPSG",4263]
    ],
    CONVERSION[
        "Nigeria West Belt",
        METHOD["Transverse Mercator",ID["EPSG",9807]],
        PARAMETER[
            "Latitude of natural origin",
            4,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8801]
        ],
        PARAMETER[
            "Longitude of natural origin",
            4.50000000000028,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8802]
        ],
        PARAMETER[
            "Scale factor at natural origin",
            0.99975,
            SCALEUNIT["unity",1,ID["EPSG",9201]],
            ID["EPSG",8805]
        ],
        PARAMETER[
            "False easting",
            230738.26,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8806]
        ],
        PARAMETER[
            "False northing",
            0,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8807]
        ],
        ID["EPSG",18151]
    ],
    CS[Cartesian,2,ID["EPSG",4400]],
    AXIS["Easting (E)",east],
    AXIS["Northing (N)",north],
    LENGTHUNIT["metre",1,ID["EPSG",9001]],
    ID["EPSG",26391]
]

PROJ.4

+proj=tmerc +lat_0=4 +lon_0=4.5 +k=0.99975 +x_0=230738.26 +y_0=0 +a=6378249.145 +rf=293.465 +towgs84=-92,-93,122,0,0,0,0 +units=m +no_defs +type=crs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("EPSG:26391", "+proj=tmerc +lat_0=4 +lon_0=4.5 +k=0.99975 +x_0=230738.26 +y_0=0 +a=6378249.145 +rf=293.465 +towgs84=-92,-93,122,0,0,0,0 +units=m +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 26391,
  "name": "Minna / Nigeria West Belt",
  "kind": "projected",
  "area": "Nigeria - west of 6.5°E",
  "unit": "metre",
  "bbox": [
    3.57,
    2.69,
    13.9,
    6.5
  ],
  "proj4": "+proj=tmerc +lat_0=4 +lon_0=4.5 +k=0.99975 +x_0=230738.26 +y_0=0 +a=6378249.145 +rf=293.465 +towgs84=-92,-93,122,0,0,0,0 +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 (26391, 'EPSG', 26391, '+proj=tmerc +lat_0=4 +lon_0=4.5 +k=0.99975 +x_0=230738.26 +y_0=0 +a=6378249.145 +rf=293.465 +towgs84=-92,-93,122,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["Minna / Nigeria West Belt",GEOGCS["Minna",DATUM["Minna",SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465],TOWGS84[-92,-93,122,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4263"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",4],PARAMETER["central_meridian",4.5],PARAMETER["scale_factor",0.99975],PARAMETER["false_easting",230738.26],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","26391"]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=tmerc"
  "+lat_0=4"
  "+lon_0=4.5"
  "+k=0.99975"
  "+x_0=230738.26"
  "+y_0=0"
  "+a=6378249.145"
  "+rf=293.465"
  "+towgs84=-92,-93,122,0,0,0,0"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

GeoServer

How to add a projection to GeoServer? →

26391=PROJCS["Minna / Nigeria West Belt",GEOGCS["Minna",DATUM["Minna",SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465],TOWGS84[-92,-93,122,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4263"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",4],PARAMETER["central_meridian",4.5],PARAMETER["scale_factor",0.99975],PARAMETER["false_easting",230738.26],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","26391"]]

Related Coordinate Systems

Available Transformations (17)

Transformations inherited from base CRS: EPSG:4263 (Minna)

Transformation	Source → Target	Accuracy (m)
Minna to WGS 84 (3)	4263 → 4326	5
Minna to WGS 84 (16)	4263 → 4326	5
Minna to WGS 84 (15)	4263 → 4326	5
Minna to WGS 84 (7)	4263 → 4326	6
Minna to WGS 84 (13)	4263 → 4326	7
Minna to WGS 84 (14)	4263 → 4326	7
Minna to WGS 84 (11)	4263 → 4326	8
Minna to WGS 84 (9)	4263 → 4326	8
Minna to WGS 84 (12)	4263 → 4326	8
Minna to WGS 84 (8)	4263 → 4326	10

Other CRS using Minna

Frequently Asked Questions

How do I add EPSG:26391 to GeoServer?

Add the following definition to your GeoServer configuration:

26391=PROJCS["Minna / Nigeria West Belt",GEOGCS["Minna",DATUM["Minna",SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465],TOWGS84[-92,-93,122,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4263"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",4],PARAMETER["central_meridian",4.5],PARAMETER["scale_factor",0.99975],PARAMETER["false_easting",230738.26],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","26391"]]

Read the full GeoServer guide →

How do I add EPSG:26391 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (26391, 'EPSG', 26391, '+proj=tmerc +lat_0=4 +lon_0=4.5 +k=0.99975 +x_0=230738.26 +y_0=0 +a=6378249.145 +rf=293.465 +towgs84=-92,-93,122,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["Minna / Nigeria West Belt",GEOGCS["Minna",DATUM["Minna",SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465],TOWGS84[-92,-93,122,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4263"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",4],PARAMETER["central_meridian",4.5],PARAMETER["scale_factor",0.99975],PARAMETER["false_easting",230738.26],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","26391"]]');

Read the full PostGIS guide →

How do I add EPSG:26391 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=tmerc"
  "+lat_0=4"
  "+lon_0=4.5"
  "+k=0.99975"
  "+x_0=230738.26"
  "+y_0=0"
  "+a=6378249.145"
  "+rf=293.465"
  "+towgs84=-92,-93,122,0,0,0,0"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

Read the full MapServer guide →

How do I use EPSG:26391 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("EPSG:26391", "+proj=tmerc +lat_0=4 +lon_0=4.5 +k=0.99975 +x_0=230738.26 +y_0=0 +a=6378249.145 +rf=293.465 +towgs84=-92,-93,122,0,0,0,0 +units=m +no_defs +type=crs");

Read the full Proj4js guide →