EPSG systems

EPSG:21149 Batavia / UTM zone 49S

Projected system (Transverse Mercator) in use: Indonesia - Java and Java Sea - 108°E to 114°E. The full definition below, and conversion in one click.

System record
CodeEPSG:21149
NameBatavia / UTM zone 49S
TypeProjected system — Transverse Mercator
Area of use Indonesia - Java and Java Sea - 108°E to 114°E
Indonesia - onshore Java and Madura and offshore southern Java Sea and Madura Strait - between 108°E and 114°E.
Bounds W 108,00° · S -8,67° · E 114,00° · N -4,27°
Countries Indonesia
DatumBatavia
Ellipsoid Bessel 1841 a = 6377397.155 m · 1/f = 299.1528128
Base geographic system EPSG:4211 — Batavia
Unit metre (E east, N north)
Transformation to WGS 84 Batavia to WGS 84 (1) (EPSG:8452) — accuracy 6 m
ScopeEngineering survey, topographic mapping.

Projection parameters

ParameterValueUnit
Latitude of natural origin0degree
Longitude of natural origin111degree
Scale factor at natural origin0.9996unity
False easting500000metre
False northing10000000metre

proj4 definition

+proj=utm +zone=49 +south +ellps=bessel +units=m +towgs84=-377,681,-50 +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:21149.

WKT (ESRI format, the .prj content)

PROJCS["Batavia_UTM_Zone_49S",GEOGCS["GCS_Batavia",DATUM["D_Batavia",SPHEROID["Bessel_1841",6377397.155,299.1528128]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",10000000.0],PARAMETER["Central_Meridian",111.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]

All systems — Indonesia

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