EPSG:23851 — ID74 / UTM zone 51N

Projected · Indonesia - 120°E to 126°E, N hemisphere onshore

Export Formats

OGC WKT

PROJCS[
    "ID74 / UTM zone 51N",
    GEOGCS[
        "ID74",
        DATUM[
            "Indonesian_Datum_1974",
            SPHEROID["Indonesian National Spheroid",6378160,298.247],
            TOWGS84[-1.977,-13.06,-9.993,-0.364,-0.254,-0.689,-1.037]
        ],
        PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4238"]
    ],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",0],
    PARAMETER["central_meridian",123],
    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","23851"]
]

WKT2

PROJCRS[
    "ID74 / UTM zone 51N",
    BASEGEOGCRS[
        "ID74",
        DATUM[
            "Indonesian Datum 1974",
            ELLIPSOID[
                "Indonesian National Spheroid",
                6378160,
                298.247,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",7021]
            ],
            ID["EPSG",6238]
        ],
        ID["EPSG",4238]
    ],
    CONVERSION[
        "UTM zone 51N",
        METHOD["Transverse Mercator",ID["EPSG",9807]],
        PARAMETER[
            "Latitude of natural origin",
            0,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8801]
        ],
        PARAMETER[
            "Longitude of natural origin",
            123,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8802]
        ],
        PARAMETER[
            "Scale factor at natural origin",
            0.9996,
            SCALEUNIT["unity",1,ID["EPSG",9201]],
            ID["EPSG",8805]
        ],
        PARAMETER[
            "False easting",
            500000,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8806]
        ],
        PARAMETER[
            "False northing",
            0,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8807]
        ],
        ID["EPSG",16051]
    ],
    CS[Cartesian,2,ID["EPSG",4400]],
    AXIS["Easting (E)",east],
    AXIS["Northing (N)",north],
    LENGTHUNIT["metre",1,ID["EPSG",9001]],
    ID["EPSG",23851]
]

PROJ.4

+proj=utm +zone=51 +a=6378160 +rf=298.247 +towgs84=-1.977,-13.06,-9.993,-0.364,-0.254,-0.689,-1.037 +units=m +no_defs +type=crs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("EPSG:23851", "+proj=utm +zone=51 +a=6378160 +rf=298.247 +towgs84=-1.977,-13.06,-9.993,-0.364,-0.254,-0.689,-1.037 +units=m +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 23851,
  "name": "ID74 / UTM zone 51N",
  "kind": "projected",
  "area": "Indonesia - 120°E to 126°E, N hemisphere onshore",
  "unit": "metre",
  "bbox": [
    0,
    120,
    3.84,
    125.71
  ],
  "proj4": "+proj=utm +zone=51 +a=6378160 +rf=298.247 +towgs84=-1.977,-13.06,-9.993,-0.364,-0.254,-0.689,-1.037 +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 (23851, 'EPSG', 23851, '+proj=utm +zone=51 +a=6378160 +rf=298.247 +towgs84=-1.977,-13.06,-9.993,-0.364,-0.254,-0.689,-1.037 +units=m +no_defs +type=crs', 'PROJCS["ID74 / UTM zone 51N",GEOGCS["ID74",DATUM["Indonesian_Datum_1974",SPHEROID["Indonesian National Spheroid",6378160,298.247],TOWGS84[-1.977,-13.06,-9.993,-0.364,-0.254,-0.689,-1.037]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4238"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",123],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","23851"]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=utm"
  "+zone=51"
  "+a=6378160"
  "+rf=298.247"
  "+towgs84=-1.977,-13.06,-9.993,-0.364,-0.254,-0.689,-1.037"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

GeoServer

How to add a projection to GeoServer? →

23851=PROJCS["ID74 / UTM zone 51N",GEOGCS["ID74",DATUM["Indonesian_Datum_1974",SPHEROID["Indonesian National Spheroid",6378160,298.247],TOWGS84[-1.977,-13.06,-9.993,-0.364,-0.254,-0.689,-1.037]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4238"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",123],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","23851"]]

Related Coordinate Systems

Available Transformations (4)

Transformations inherited from base CRS: EPSG:4238 (ID74)

Transformation	Source → Target	Accuracy (m)
ID74 to WGS 84 (3)	4238 → 4326	3
ID74 to DGN95 (1)	4238 → 4755	3
ID74 to WGS 84 (2)	4238 → 4326	25
ID74 to WGS 84 (1)	4238 → 4326	44

Other CRS using Indonesian Datum 1974 (15)

Frequently Asked Questions

How do I add EPSG:23851 to GeoServer?

Add the following definition to your GeoServer configuration:

23851=PROJCS["ID74 / UTM zone 51N",GEOGCS["ID74",DATUM["Indonesian_Datum_1974",SPHEROID["Indonesian National Spheroid",6378160,298.247],TOWGS84[-1.977,-13.06,-9.993,-0.364,-0.254,-0.689,-1.037]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4238"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",123],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","23851"]]

Read the full GeoServer guide →

How do I add EPSG:23851 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (23851, 'EPSG', 23851, '+proj=utm +zone=51 +a=6378160 +rf=298.247 +towgs84=-1.977,-13.06,-9.993,-0.364,-0.254,-0.689,-1.037 +units=m +no_defs +type=crs', 'PROJCS["ID74 / UTM zone 51N",GEOGCS["ID74",DATUM["Indonesian_Datum_1974",SPHEROID["Indonesian National Spheroid",6378160,298.247],TOWGS84[-1.977,-13.06,-9.993,-0.364,-0.254,-0.689,-1.037]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4238"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",123],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","23851"]]');

Read the full PostGIS guide →

How do I add EPSG:23851 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=utm"
  "+zone=51"
  "+a=6378160"
  "+rf=298.247"
  "+towgs84=-1.977,-13.06,-9.993,-0.364,-0.254,-0.689,-1.037"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

Read the full MapServer guide →

How do I use EPSG:23851 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("EPSG:23851", "+proj=utm +zone=51 +a=6378160 +rf=298.247 +towgs84=-1.977,-13.06,-9.993,-0.364,-0.254,-0.689,-1.037 +units=m +no_defs +type=crs");

Read the full Proj4js guide →