EPSG systems

EPSG:4723 GCGD59

Geographic system in latitude and longitude, in use: Cayman Islands - Grand Cayman. Datum, ellipsoid and transformation to WGS 84 below.

System record
CodeEPSG:4723
NameGCGD59
TypeGeographic system
Area of use Cayman Islands - Grand Cayman
Bounds W -81,46° · S 19,21° · E -81,04° · N 19,41°
Countries Cayman Islands
DatumGrand Cayman Geodetic Datum 1959
Ellipsoid Clarke 1866 a = 6378206.4 m · 1/f = 294.978698214
Unit degree (Lat north, Lon east)
Transformation to WGS 84 GCGD59 to WGS 84 (2) (EPSG:6142) — accuracy 1 m
ScopeCadastre, engineering survey, topographic mapping.

proj4 definition

+proj=longlat +ellps=clrk66 +towgs84=-179.483,-69.379,-27.584,-7.862,8.163,6.042,-13.925 +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:4723.

WKT (ESRI format, the .prj content)

GEOGCS["GCS_Grand_Cayman_1959",DATUM["D_Grand_Cayman_1959",SPHEROID["Clarke_1866",6378206.4,294.978698213898]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]

All systems — Cayman Islands

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