EPSG:5123 — ETRS89-NOR [EUREF89] / NTM zone 23

Projekte · Norway - onshore - 23°E to 24°E

Tanım Formatları

OGC WKT

PROJCS[
    "ETRS89 / NTM zone 23",
    GEOGCS[
        "ETRS89",
        DATUM[
            "European_Terrestrial_Reference_System_1989",
            SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],
            TOWGS84[0,0,0,0,0,0,0],
            AUTHORITY["EPSG","6258"]
        ],
        PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4258"]
    ],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",58],
    PARAMETER["central_meridian",23.5],
    PARAMETER["scale_factor",1],
    PARAMETER["false_easting",100000],
    PARAMETER["false_northing",1000000],
    UNIT["metre",1,AUTHORITY["EPSG","9001"]],
    AUTHORITY["EPSG","5123"]
]

WKT2

PROJCRS[
    "ETRS89-NOR [EUREF89] / NTM zone 23",
    BASEGEOGCRS[
        "ETRS89-NOR [EUREF89]",
        DATUM[
            "ETRS89-NOR [EUREF89]",
            ELLIPSOID[
                "GRS 1980",
                6378137,
                298.257222101,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",7019]
            ],
            ANCHOREPOCH[1995],
            ID["EPSG",1407]
        ],
        ID["EPSG",10875]
    ],
    CONVERSION[
        "Norway TM zone 23",
        METHOD["Transverse Mercator",ID["EPSG",9807]],
        PARAMETER[
            "Latitude of natural origin",
            58,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8801]
        ],
        PARAMETER[
            "Longitude of natural origin",
            23.5000000000003,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8802]
        ],
        PARAMETER[
            "Scale factor at natural origin",
            1,
            SCALEUNIT["unity",1,ID["EPSG",9201]],
            ID["EPSG",8805]
        ],
        PARAMETER[
            "False easting",
            100000,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8806]
        ],
        PARAMETER[
            "False northing",
            1000000,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8807]
        ],
        ID["EPSG",5153]
    ],
    CS[Cartesian,2,ID["EPSG",4500]],
    AXIS["Northing (N)",north],
    AXIS["Easting (E)",east],
    LENGTHUNIT["metre",1,ID["EPSG",9001]],
    ID["EPSG",5123]
]

PROJ.4

+proj=tmerc +lat_0=58 +lon_0=23.5 +k=1 +x_0=100000 +y_0=1000000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs

Proj4js

Proj4js'a nasıl projeksiyon eklerim? →

proj4.defs("EPSG:5123", "+proj=tmerc +lat_0=58 +lon_0=23.5 +k=1 +x_0=100000 +y_0=1000000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 5123,
  "name": "ETRS89-NOR [EUREF89] / NTM zone 23",
  "kind": "projected",
  "area": "Norway - onshore - 23°E to 24°E",
  "unit": "metre",
  "bbox": [
    68.62,
    23,
    71.15,
    24.01
  ],
  "proj4": "+proj=tmerc +lat_0=58 +lon_0=23.5 +k=1 +x_0=100000 +y_0=1000000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs"
}

PostGIS

PostGIS'a nasıl projeksiyon eklerim? →

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (5123, 'EPSG', 5123, '+proj=tmerc +lat_0=58 +lon_0=23.5 +k=1 +x_0=100000 +y_0=1000000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["ETRS89 / NTM zone 23",GEOGCS["ETRS89",DATUM["European_Terrestrial_Reference_System_1989",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],TOWGS84[0,0,0,0,0,0,0],AUTHORITY["EPSG","6258"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4258"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",58],PARAMETER["central_meridian",23.5],PARAMETER["scale_factor",1],PARAMETER["false_easting",100000],PARAMETER["false_northing",1000000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","5123"]]');

MapServer

MapServer'a nasıl projeksiyon eklerim? →

PROJECTION
  "+proj=tmerc"
  "+lat_0=58"
  "+lon_0=23.5"
  "+k=1"
  "+x_0=100000"
  "+y_0=1000000"
  "+ellps=GRS80"
  "+towgs84=0,0,0,0,0,0,0"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

GeoServer

GeoServer'a nasıl projeksiyon eklerim? →

5123=PROJCS["ETRS89 / NTM zone 23",GEOGCS["ETRS89",DATUM["European_Terrestrial_Reference_System_1989",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],TOWGS84[0,0,0,0,0,0,0],AUTHORITY["EPSG","6258"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4258"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",58],PARAMETER["central_meridian",23.5],PARAMETER["scale_factor",1],PARAMETER["false_easting",100000],PARAMETER["false_northing",1000000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","5123"]]

İlişkili Koordinat Sistemleri

Mevcut Dönüşümler (3)

Dönüşümler temel CRS'den alınmıştır: EPSG:10875 (ETRS89-NOR [EUREF89])

Dönüşüm	Kaynak → Hedef	Hassasiyet (m)
ETRS89-NOR [EUREF89] to NGO 1948 (2)	10875 → 4273	0.1
ETRS89-NOR [EUREF89] to WGS 84 (1)	10875 → 4326	1
NGO 1948 to ETRS89-NOR [EUREF89] (1)	4273 → 10875	3

ETRS89-NOR [EUREF89] Kullanan Diğer CRS (44)

Sıkça Sorulan Sorular

EPSG:5123 projeksiyonunu GeoServer'a nasıl eklerim?

Aşağıdaki tanımı GeoServer yapılandırma dosyanıza ekleyin:

5123=PROJCS["ETRS89 / NTM zone 23",GEOGCS["ETRS89",DATUM["European_Terrestrial_Reference_System_1989",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],TOWGS84[0,0,0,0,0,0,0],AUTHORITY["EPSG","6258"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4258"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",58],PARAMETER["central_meridian",23.5],PARAMETER["scale_factor",1],PARAMETER["false_easting",100000],PARAMETER["false_northing",1000000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","5123"]]

GeoServer rehberinin tamamını okuyun →

EPSG:5123 projeksiyonunu PostGIS'e nasıl eklerim?

Aşağıdaki tanımı PostGIS yapılandırma dosyanıza ekleyin:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (5123, 'EPSG', 5123, '+proj=tmerc +lat_0=58 +lon_0=23.5 +k=1 +x_0=100000 +y_0=1000000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["ETRS89 / NTM zone 23",GEOGCS["ETRS89",DATUM["European_Terrestrial_Reference_System_1989",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],TOWGS84[0,0,0,0,0,0,0],AUTHORITY["EPSG","6258"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4258"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",58],PARAMETER["central_meridian",23.5],PARAMETER["scale_factor",1],PARAMETER["false_easting",100000],PARAMETER["false_northing",1000000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","5123"]]');

PostGIS rehberinin tamamını okuyun →

EPSG:5123 projeksiyonunu MapServer'da nasıl kullanırım?

Aşağıdaki tanımı MapServer yapılandırma dosyanıza ekleyin:

PROJECTION
  "+proj=tmerc"
  "+lat_0=58"
  "+lon_0=23.5"
  "+k=1"
  "+x_0=100000"
  "+y_0=1000000"
  "+ellps=GRS80"
  "+towgs84=0,0,0,0,0,0,0"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

MapServer rehberinin tamamını okuyun →

EPSG:5123 projeksiyonunu Proj4js ile nasıl kullanırım?

Aşağıdaki tanımı Proj4js yapılandırma dosyanıza ekleyin:

proj4.defs("EPSG:5123", "+proj=tmerc +lat_0=58 +lon_0=23.5 +k=1 +x_0=100000 +y_0=1000000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs");

Proj4js rehberinin tamamını okuyun →

Tür

Projekte

Birim

metre

Geodetik CRS

ETRS89-NOR [EUREF89]

Datum

ETRS89-NOR [EUREF89]

Elipsoid

GRS 1980

Başlangıç Meridyeni

Greenwich

Kullanım Alanı

Norway - onshore - 23°E to 24°E

Norway - onshore - between 23°E and 24°E.

Koordinat Sistemi

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

Merkez Koordinatları

100191.98 2324868.51

Projekte Sınırlar

2466080.10 79650.18118397.91 2183837.41

WGS84 Sınırları

71.15 23.0024.01 68.62

Veri Kaynağı

EPSG

Bilgi Kaynağı

Norwegian Mapping Authority, https://www.kartverket.no/

Revizyon Tarihi

2025-09-12

Kapsam

Engineering survey.

Açıklamalar

EUREF89 / UTM is the projected CRS for Norway recommended by the Norwegian Mapping Authority. This CRS using NTM is an alternative when UTM scale is too far from unity, in particular for construction projects.

EPSG

5123