EPSG systems

EPSG:2977 Tahaa 54 / UTM zone 5S

Projected system (Transverse Mercator) in use: French Polynesia - Society Islands - Bora Bora, Huahine, Raiatea, Tahaa. The full definition below, and conversion in one click.

System record
CodeEPSG:2977
NameTahaa 54 / UTM zone 5S
TypeProjected system — Transverse Mercator
Area of use French Polynesia - Society Islands - Bora Bora, Huahine, Raiatea, Tahaa
French Polynesia - Society Islands - Bora Bora, Huahine, Raiatea and Tahaa.
Bounds W -151,91° · S -16,96° · E -150,89° · N -16,17°
Countries French Polynesia
DatumTahaa 54
Ellipsoid International 1924 a = 6378388 m · 1/f = 297
Base geographic system EPSG:4629 — Tahaa 54
Unit metre (E east, N north)
Transformation to WGS 84 Tahaa 54 to WGS 84 (3) (EPSG:8834) — accuracy 1 m
ScopeEngineering survey, topographic mapping.

Projection parameters

ParameterValueUnit
Latitude of natural origin0degree
Longitude of natural origin-153degree
Scale factor at natural origin0.9996unity
False easting500000metre
False northing10000000metre

proj4 definition

+proj=utm +zone=5 +south +ellps=intl +units=m +towgs84=72.51,345.411,79.241,-1.5862,-0.8826,-0.5495,1.3653 +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:2977.

WKT (ESRI format, the .prj content)

PROJCS["Tahaa_1954_UTM_5S",GEOGCS["GCS_Tahaa_1954",DATUM["D_Tahaa_1954",SPHEROID["International_1924",6378388.0,297.0]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",10000000.0],PARAMETER["Central_Meridian",-153.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]

All systems — French Polynesia

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