EPSG systems

EPSG:5924 WGS 84 / EPSG Arctic Regional zone A4

Projected system (Lambert Conic Conformal (2SP)) in use: Arctic - 87°N to 75°N, 60°E to 150°E. The full definition below, and conversion in one click.

System record
CodeEPSG:5924
NameWGS 84 / EPSG Arctic Regional zone A4
TypeProjected system — Lambert Conic Conformal (2SP)
Area of use Arctic - 87°N to 75°N, 60°E to 150°E
Arctic - 87°N to 75°N, approximately 60°E to approximately 150°E. May be extended westwards or eastwards within the latitude limits.
Bounds W 60,00° · S 75,00° · E 150,01° · N 87,01°
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
ScopeRegional studies.

Projection parameters

ParameterValueUnit
Latitude of false origin81.31722599999999degree
Longitude of false origin105degree
Latitude of 1st standard parallel85degree
Latitude of 2nd standard parallel77degree
Easting at false origin0metre
Northing at false origin0metre

proj4 definition

+proj=lcc +lat_0=81.317226 +lon_0=105 +lat_1=85 +lat_2=77 +x_0=0 +y_0=0 +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:5924.

WKT (ESRI format, the .prj content)

PROJCS["WGS_1984_EPSG_Arctic_Regional_zone_A4",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",0.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",105.0],PARAMETER["Standard_Parallel_1",85.0],PARAMETER["Standard_Parallel_2",77.0],PARAMETER["Latitude_Of_Origin",81.317226],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.