EPSG:2987 Saint Pierre et Miquelon 1950 / UTM zone 21N
Projected system (Transverse Mercator) in use: St Pierre and Miquelon - onshore. The full definition below, and conversion in one click.
| Code | EPSG:2987 |
|---|---|
| Name | Saint Pierre et Miquelon 1950 / UTM zone 21N |
| Type | Projected system — Transverse Mercator |
| Area of use | St Pierre and Miquelon - onshore |
| Bounds | W -56,48° · S 46,69° · E -56,07° · N 47,19° |
| Countries | St. Pierre & Miquelon |
| Datum | Saint Pierre et Miquelon 1950 |
| Ellipsoid | Clarke 1866 a = 6378206.4 m · 1/f = 294.978698214 |
| Base geographic system | EPSG:4638 — Saint Pierre et Miquelon 1950 |
| Unit | metre (E east, N north) |
| Transformation to WGS 84 | Saint Pierre et Miquelon 1950 to WGS 84 (2) (EPSG:8270) — accuracy 1 m |
| Scope | Engineering survey, topographic mapping. |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of natural origin | 0 | degree |
| Longitude of natural origin | -57 | degree |
| Scale factor at natural origin | 0.9996 | unity |
| False easting | 500000 | metre |
| False northing | 0 | metre |
proj4 definition
+proj=utm +zone=21 +ellps=clrk66 +units=m +towgs84=11.363,424.148,373.13 +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:2987.
WKT (ESRI format, the .prj content)
PROJCS["Saint_Pierre_et_Miquelon_1950_UTM_21N",GEOGCS["GCS_Saint_Pierre_et_Miquelon_1950",DATUM["D_Saint_Pierre_et_Miquelon_1950",SPHEROID["Clarke_1866",6378206.4,294.978698213898]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-57.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]Other systems — St. Pierre & Miquelon
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.