EPSG systems

EPSG:6086 WGS 84 / EPSG Arctic zone 4-40

Projected system (Lambert Conic Conformal (2SP)) in use: Arctic - 77°50'N to 72°50'N, 166°E to 169°W. The full definition below, and conversion in one click.

System record
CodeEPSG:6086
NameWGS 84 / EPSG Arctic zone 4-40
TypeProjected system — Lambert Conic Conformal (2SP)
Area of use Arctic - 77°50'N to 72°50'N, 166°E to 169°W
Arctic - between 77°50'N and 72°50'N, approximately 166°E to approximately 169°W. May be extended westwards or eastwards within the latitude limits.
Bounds W 166,00° · S 72,83° · E -168,99° · N 77,84°
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 origin75.36440330555556degree
Longitude of false origin179degree
Latitude of 1st standard parallel77degree
Latitude of 2nd standard parallel73.66666666666667degree
Easting at false origin40500000metre
Northing at false origin4500000metre

proj4 definition

+proj=lcc +lat_0=75.3644033055556 +lon_0=179 +lat_1=77 +lat_2=73.6666666666667 +x_0=40500000 +y_0=4500000 +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:6086.

WKT (ESRI format, the .prj content)

PROJCS["WGS_1984_EPSG_Arctic_zone_4-40",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",40500000.0],PARAMETER["False_Northing",4500000.0],PARAMETER["Central_Meridian",179.0],PARAMETER["Standard_Parallel_1",77.0],PARAMETER["Standard_Parallel_2",73.6666666666667],PARAMETER["Latitude_Of_Origin",75.3644033055556],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.