EPSG:28421 Pulkovo 1942 / Gauss-Kruger zone 21
Projected system (Transverse Mercator) in use: Russia - 120°E to 126°E onshore. The full definition below, and conversion in one click.
| Code | EPSG:28421 |
|---|---|
| Name | Pulkovo 1942 / Gauss-Kruger zone 21 |
| Type | Projected system — Transverse Mercator |
| Area of use |
Russia - 120°E to 126°E onshore Russian Federation - onshore between 120°E and 126°E. |
| Bounds | W 120,00° · S 51,51° · E 126,00° · N 74,00° |
| Countries | Russia |
| Datum | Pulkovo 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 |
| Scope | Topographic mapping (medium scale). |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of natural origin | 0 | degree |
| Longitude of natural origin | 123 | degree |
| Scale factor at natural origin | 1 | unity |
| False easting | 21500000 | metre |
| False northing | 0 | metre |
proj4 definition
+proj=tmerc +lat_0=0 +lon_0=123 +k=1 +x_0=21500000 +y_0=0 +ellps=krass +units=m +towgs84=23.57,-140.95,-79.8,0,0.35,0.79,-0.22 +no_defsPaste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:28421.
WKT (ESRI format, the .prj content)
PROJCS["Pulkovo_1942_GK_Zone_21",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",21500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",123.0],PARAMETER["Scale_Factor",1.0],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]Other systems — Russia
- EPSG:28414Pulkovo 1942 / Gauss-Kruger zone 14
- EPSG:28415Pulkovo 1942 / Gauss-Kruger zone 15
- EPSG:28416Pulkovo 1942 / Gauss-Kruger zone 16
- EPSG:28417Pulkovo 1942 / Gauss-Kruger zone 17
- EPSG:28418Pulkovo 1942 / Gauss-Kruger zone 18
- EPSG:28419Pulkovo 1942 / Gauss-Kruger zone 19
- EPSG:28420Pulkovo 1942 / Gauss-Kruger zone 20
- EPSG:28422Pulkovo 1942 / Gauss-Kruger zone 22
- EPSG:28423Pulkovo 1942 / Gauss-Kruger zone 23
- EPSG:28424Pulkovo 1942 / Gauss-Kruger zone 24
- EPSG:28425Pulkovo 1942 / Gauss-Kruger zone 25
- EPSG:28426Pulkovo 1942 / Gauss-Kruger zone 26
- EPSG:28427Pulkovo 1942 / Gauss-Kruger zone 27
- EPSG:28428Pulkovo 1942 / Gauss-Kruger zone 28
- EPSG:28429Pulkovo 1942 / Gauss-Kruger zone 29
- EPSG:28430Pulkovo 1942 / Gauss-Kruger zone 30
- EPSG:28431Pulkovo 1942 / Gauss-Kruger zone 31
- EPSG:28432Pulkovo 1942 / Gauss-Kruger zone 32
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.