EPSG systems

EPSG:3281 WGS 84 / SCAR IMW SU31-35

Projected system (Polar Stereographic (variant B)) in use: Antarctica - 80°S to 84°S, 0°E to 30°E (SU31-35). The full definition below, and conversion in one click.

Convert coordinates Open in Carte Download the .prj

System record
Code	EPSG:3281
Name	WGS 84 / SCAR IMW SU31-35
Type	Projected system — Polar Stereographic (variant B)
Area of use	Antarctica - 80°S to 84°S, 0°E to 30°E (SU31-35) Antarctica - 80°S to 84°S and 0°E to 30°E.
Bounds	W 0,00° · S -84,00° · E 30,00° · N -80,00°
Countries	Antarctica
Datum	World Geodetic System 1984
Ellipsoid	WGS 84 a = 6378137 m · 1/f = 298.257223563
Base geographic system	EPSG:4326 — WGS 84
Unit	metre (E north, N north)
Transformation to WGS 84	None: this is WGS 84
Scope	Topographic mapping (medium scale).

Projection parameters

Parameter	Value	Unit
Latitude of standard parallel	-80.23861111111111	degree
Longitude of origin	15	degree
False easting	0	metre
False northing	0	metre

proj4 definition

+proj=stere +lat_0=-90 +lat_ts=-80.2386111111111 +lon_0=15 +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:3281.

WKT (ESRI format, the .prj content)

PROJCS["WGS_84_SCAR_IMW_SU31-35",GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Stereographic_South_Pole"],PARAMETER["False_Easting",0.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",15.0],PARAMETER["Standard_Parallel_1",-80.2386111111111],UNIT["Meter",1.0]]

All systems — Antarctica

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

Projection parameters

proj4 definition

WKT (ESRI format, the .prj content)

Other systems — Antarctica