EPSG systems

EPSG:3001 Batavia / NEIEZ

Projected system (Mercator (variant A)) in use: Indonesia - Bali, Java and western Sumatra onshore. The full definition below, and conversion in one click.

System record
CodeEPSG:3001
NameBatavia / NEIEZ
TypeProjected system — Mercator (variant A)
Area of use Indonesia - Bali, Java and western Sumatra onshore
Indonesia - onshore - Bali, Java and western Sumatra.
Bounds W 95,16° · S -8,91° · E 115,77° · N 5,97°
Countries Indonesia
DatumBatavia
Ellipsoid Bessel 1841 a = 6377397.155 m · 1/f = 299.1528128
Base geographic system EPSG:4211 — Batavia
Unit metre (X east, Y 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 origin110degree
Scale factor at natural origin0.997unity
False easting3900000metre
False northing900000metre

proj4 definition

+proj=merc +lon_0=110 +k=0.997 +x_0=3900000 +y_0=900000 +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:3001.

WKT (ESRI format, the .prj content)

PROJCS["Batavia_NEIEZ",GEOGCS["GCS_Batavia",DATUM["D_Batavia",SPHEROID["Bessel_1841",6377397.155,299.1528128]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Mercator"],PARAMETER["False_Easting",3900000.0],PARAMETER["False_Northing",900000.0],PARAMETER["Central_Meridian",110.0],PARAMETER["Standard_Parallel_1",4.45405154589748],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.