EPSG:6123 WGS 84 / EPSG Arctic zone 3-23
Système projeté (Lambert Conic Conformal (2SP)) en usage : Arctic - 81°10'N to 76°10'N, 169°W to 138°W. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:6123 |
|---|---|
| Nom | WGS 84 / EPSG Arctic zone 3-23 |
| Type | Système projeté — Lambert Conic Conformal (2SP) |
| Zone d'usage |
Arctic - 81°10'N to 76°10'N, 169°W to 138°W Arctic - between 81°10'N and 76°10'N, approximately 169°W to approximately 138°W. May be extended westwards or eastwards within the latitude limits. |
| Emprise | O -169,00° · S 76,16° · E -138,00° · N 81,17° |
| Pays | Monde |
| Datum | World Geodetic System 1984 |
| Ellipsoïde | WGS 84 a = 6378137 m · 1/f = 298.257223563 |
| Système géographique de base | EPSG:4326 — WGS 84 |
| Unité | metre (E east, N north) |
| Transformation vers WGS 84 | Aucune : c'est WGS 84 |
| Usage | Exploration and development, mapping. |
Paramètres de la projection
| Paramètre | Valeur | Unité |
|---|---|---|
| Latitude of false origin | 78.70733752777778 | degree |
| Longitude of false origin | -153 | degree |
| Latitude of 1st standard parallel | 80.33333333333333 | degree |
| Latitude of 2nd standard parallel | 77 | degree |
| Easting at false origin | 23500000 | metre |
| Northing at false origin | 3500000 | metre |
Définition proj4
+proj=lcc +lat_0=78.7073375277778 +lon_0=-153 +lat_1=80.3333333333333 +lat_2=77 +x_0=23500000 +y_0=3500000 +datum=WGS84 +units=m +no_defsÀ coller dans QGIS, proj4js, PostGIS (spatial_ref_sys) ou GDAL. +towgs84 porte la transformation EPSG vers WGS 84 ; le code officiel reste EPSG:6123.
WKT (format ESRI, contenu du .prj)
PROJCS["WGS_1984_EPSG_Arctic_zone_3-23",GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",23500000.0],PARAMETER["False_Northing",3500000.0],PARAMETER["Central_Meridian",-153.0],PARAMETER["Standard_Parallel_1",80.3333333333333],PARAMETER["Standard_Parallel_2",77.0],PARAMETER["Latitude_Of_Origin",78.7073375277778],UNIT["Meter",1.0]]Autres systèmes — Monde
- EPSG:6107NAD83(CSRS) / EPSG Arctic zone 5-33
- EPSG:6108NAD83(CSRS) / EPSG Arctic zone 5-35
- EPSG:6109NAD83(CSRS) / EPSG Arctic zone 5-37
- EPSG:6110NAD83(CSRS) / EPSG Arctic zone 5-39
- EPSG:6111NAD83(CSRS) / EPSG Arctic zone 6-18
- EPSG:6112NAD83(CSRS) / EPSG Arctic zone 6-20
- EPSG:6113NAD83(CSRS) / EPSG Arctic zone 6-22
- EPSG:6114NAD83(CSRS) / EPSG Arctic zone 6-24
- EPSG:6115WGS 84 / EPSG Arctic zone 1-27
- EPSG:6116WGS 84 / EPSG Arctic zone 1-29
- EPSG:6117WGS 84 / EPSG Arctic zone 1-31
- EPSG:6118WGS 84 / EPSG Arctic zone 1-21
- EPSG:6119WGS 84 / EPSG Arctic zone 2-28
- EPSG:6120WGS 84 / EPSG Arctic zone 2-10
- EPSG:6121WGS 84 / EPSG Arctic zone 2-12
- EPSG:6122WGS 84 / EPSG Arctic zone 3-21
- EPSG:6124WGS 84 / EPSG Arctic zone 4-12
- EPSG:6125ETRS89 / EPSG Arctic zone 5-47
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.