EPSG systems

EPSG:4711 Marcus Island 1952

Geographic system in latitude and longitude, in use: Japan - Minamitori-shima (Marcus Island) - onshore. Datum, ellipsoid and transformation to WGS 84 below.

System record
CodeEPSG:4711
NameMarcus Island 1952
TypeGeographic system
Area of use Japan - Minamitori-shima (Marcus Island) - onshore
Japan - onshore - Tokyo-to south of 28°N and east of 143°E - Minamitori-shima (Marcus Island).
Bounds W 153,91° · S 24,22° · E 154,05° · N 24,35°
Countries Japan
DatumMarcus Island 1952
Ellipsoid International 1924 a = 6378388 m · 1/f = 297
Unit degree (Lat north, Lon east)
Transformation to WGS 84 Marcus Island 1952 to WGS 84 (1) (EPSG:15799) — accuracy 44 m
ScopeMilitary survey.

proj4 definition

+proj=longlat +ellps=intl +towgs84=124,-234,-25 +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:4711.

WKT (ESRI format, the .prj content)

GEOGCS["GCS_Astro_1952",DATUM["D_Astro_1952",SPHEROID["International_1924",6378388.0,297.0]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]

All systems — Japan

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