EPSG systems

EPSG:2585 Pulkovo 1942 / 3-degree Gauss-Kruger CM 30E

Projected system (Transverse Mercator) in use: Europe - FSU - 28.5°E to 31.5°E onshore. The full definition below, and conversion in one click.

System record
CodeEPSG:2585
NamePulkovo 1942 / 3-degree Gauss-Kruger CM 30E
TypeProjected system — Transverse Mercator
Area of use Europe - FSU - 28.5°E to 31.5°E onshore
Belarus, Moldova, Russian Federation and Ukraine - onshore between 28°30'E and 31°30'E.
Bounds W 28,50° · S 45,18° · E 31,50° · N 69,85°
Also covers Russia, Belarus, Moldova, Ukraine
DatumPulkovo 1942
Ellipsoid Krassowsky 1940 a = 6378245 m · 1/f = 298.3
Base geographic system EPSG:4284 — Pulkovo 1942
Unit metre (X north, Y east)
Transformation to WGS 84 Pulkovo 1942 to WGS 84 (20) (EPSG:5044) — accuracy 3 m
ScopeCadastre, engineering survey, topographic mapping (large scale).

Projection parameters

ParameterValueUnit
Latitude of natural origin0degree
Longitude of natural origin30degree
Scale factor at natural origin1unity
False easting500000metre
False northing0metre

proj4 definition

+proj=tmerc +lat_0=0 +lon_0=30 +k=1 +x_0=500000 +y_0=0 +ellps=krass +units=m +towgs84=23.57,-140.95,-79.8,0,0.35,0.79,-0.22 +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:2585.

WKT (ESRI format, the .prj content)

PROJCS["Pulkovo_1942_3_Degree_GK_CM_30E",GEOGCS["GCS_Pulkovo_1942",DATUM["D_Pulkovo_1942",SPHEROID["Krasovsky_1940",6378245.0,298.3]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Gauss_Kruger"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",30.0],PARAMETER["Scale_Factor",1.0],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]

All systems — Russia

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