EPSG systems

EPSG:6118 WGS 84 / EPSG Arctic zone 1-21

Projected system (Lambert Conic Conformal (2SP)) in use: Arctic - 87°50'N to 82°50'N, 180°W to 120°W. The full definition below, and conversion in one click.

System record
CodeEPSG:6118
NameWGS 84 / EPSG Arctic zone 1-21
TypeProjected system — Lambert Conic Conformal (2SP)
Area of use Arctic - 87°50'N to 82°50'N, 180°W to 120°W
Arctic - between 87°50'N and 82°50'N, approximately 180°W to approximately 120°W. May be extended westwards or eastwards within the latitude limits.
Bounds W -180,00° · S 82,83° · E -120,00° · N 87,84°
Countries World
DatumWorld Geodetic System 1984
Ellipsoid WGS 84 a = 6378137 m · 1/f = 298.257223563
Base geographic system EPSG:4326 — WGS 84
Unit metre (E east, N north)
Transformation to WGS 84 None: this is WGS 84
ScopeExploration and development, mapping.

Projection parameters

ParameterValueUnit
Latitude of false origin85.43711833333333degree
Longitude of false origin-150degree
Latitude of 1st standard parallel87degree
Latitude of 2nd standard parallel83.66666666666667degree
Easting at false origin21500000metre
Northing at false origin1500000metre

proj4 definition

+proj=lcc +lat_0=85.4371183333333 +lon_0=-150 +lat_1=87 +lat_2=83.6666666666667 +x_0=21500000 +y_0=1500000 +datum=WGS84 +units=m +no_defs

Paste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:6118.

WKT (ESRI format, the .prj content)

PROJCS["WGS_1984_EPSG_Arctic_zone_1-21",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",21500000.0],PARAMETER["False_Northing",1500000.0],PARAMETER["Central_Meridian",-150.0],PARAMETER["Standard_Parallel_1",87.0],PARAMETER["Standard_Parallel_2",83.6666666666667],PARAMETER["Latitude_Of_Origin",85.4371183333333],UNIT["Meter",1.0]]

All systems — World

Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.