EPSG systems

EPSG:8391 GDA94 / WEIPA94

Projected system (Transverse Mercator) in use: Australia - Queensland - Weipa. The full definition below, and conversion in one click.

System record
CodeEPSG:8391
NameGDA94 / WEIPA94
TypeProjected system — Transverse Mercator
Area of use Australia - Queensland - Weipa
Australia - Queensland - Weipa area between 141°30'E and 142°30'E.
Bounds W 141,50° · S -13,50° · E 142,51° · N -11,49°
Countries Australia
DatumGeocentric Datum of Australia 1994
Ellipsoid GRS 1980 a = 6378137 m · 1/f = 298.257222101
Base geographic system EPSG:4283 — GDA94
Unit metre (E east, N north)
Transformation to WGS 84 GDA94 to WGS 84 (1) (EPSG:1150) — accuracy 3 m
ScopeMinerals management (including oil and gas exploration and production).

Projection parameters

ParameterValueUnit
Latitude of natural origin0degree
Longitude of natural origin141degree
Scale factor at natural origin0.999929unity
False easting300000metre
False northing2000000metre

proj4 definition

+proj=tmerc +lat_0=0 +lon_0=141 +k=0.999929 +x_0=300000 +y_0=2000000 +ellps=GRS80 +units=m +towgs84=0,0,0 +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:8391.

WKT (ESRI format, the .prj content)

PROJCS["GDA_1994_WEIPA94",GEOGCS["GCS_GDA_1994",DATUM["D_GDA_1994",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",300000.0],PARAMETER["False_Northing",2000000.0],PARAMETER["Central_Meridian",141.0],PARAMETER["Scale_Factor",0.999929],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]

All systems — Australia

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