EPSG:4170 SIRGAS 1995
Geographic system in latitude and longitude, in use: South America - SIRGAS 1995 by country. Datum, ellipsoid and transformation to WGS 84 below.
| Code | EPSG:4170 |
|---|---|
| Name | SIRGAS 1995 |
| Type | Geographic system |
| Area of use |
South America - SIRGAS 1995 by country South America - onshore and offshore. Ecuador (mainland and Galapagos) - onshore and offshore. |
| Bounds | W -113,21° · S -59,87° · E -26,00° · N 16,75° |
| Countries | Ecuador |
| Datum | Sistema de Referencia Geocentrico para America del Sur 1995 |
| Ellipsoid | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Unit | degree (Lat north, Lon east) |
| Transformation to WGS 84 | SIRGAS 1995 to WGS 84 (1) (EPSG:1581) — accuracy 2 m |
| Scope | Horizontal component of 3D system. |
proj4 definition
+proj=longlat +ellps=GRS80 +towgs84=0,0,0 +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:4170.
WKT (ESRI format, the .prj content)
GEOGCS["GCS_SIRGAS",DATUM["D_SIRGAS",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]
Other systems — Ecuador
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.