EPSG:24878 PSAD56 / UTM zone 18S
Système projeté (Transverse Mercator) en usage : South America - 78°W to 72°W, S hemisphere and PSAD56 by country. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:24878 |
|---|---|
| Nom | PSAD56 / UTM zone 18S |
| Type | Système projeté — Transverse Mercator |
| Zone d'usage |
South America - 78°W to 72°W, S hemisphere and PSAD56 by country South America (Chile - north of 45°S; Ecuador; Peru) between 78°W and 72°W, southern hemisphere, onshore. |
| Emprise | O -78,00° · S -43,50° · E -71,99° · N 0,00° |
| Pays | Chili, Équateur, Pérou |
| Datum | Provisional South American Datum 1956 |
| Ellipsoïde | International 1924 a = 6378388 m · 1/f = 297 |
| Système géographique de base | EPSG:4248 — PSAD56 |
| Unité | metre (E east, N north) |
| Transformation vers WGS 84 | PSAD56 to WGS 84 (1) (EPSG:1201) — précision 42 m |
| Usage | Engineering survey, topographic mapping. |
Paramètres de la projection
| Paramètre | Valeur | Unité |
|---|---|---|
| Latitude of natural origin | 0 | degree |
| Longitude of natural origin | -75 | degree |
| Scale factor at natural origin | 0.9996 | unity |
| False easting | 500000 | metre |
| False northing | 10000000 | metre |
Définition proj4
+proj=utm +zone=18 +south +ellps=intl +units=m +towgs84=-288,175,-376 +no_defsÀ coller dans QGIS, proj4js, PostGIS (spatial_ref_sys) ou GDAL. +towgs84 porte la transformation EPSG vers WGS 84 ; le code officiel reste EPSG:24878.
WKT (format ESRI, contenu du .prj)
PROJCS["PSAD_1956_UTM_Zone_18S",GEOGCS["GCS_Provisional_S_American_1956",DATUM["D_Provisional_S_American_1956",SPHEROID["International_1924",6378388.0,297.0]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",10000000.0],PARAMETER["Central_Meridian",-75.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]Autres systèmes — Chili
- EPSG:8949SIRGAS-Chile 2010
- EPSG:8950SIRGAS-Chile 2010 / UTM zone 18S
- EPSG:8951SIRGAS-Chile 2010 / UTM zone 19S
- EPSG:9148SIRGAS-Chile 2013
- EPSG:9149SIRGAS-Chile 2013 / UTM zone 18S
- EPSG:9150SIRGAS-Chile 2013 / UTM zone 19S
- EPSG:9153SIRGAS-Chile 2016
- EPSG:9154SIRGAS-Chile 2016 / UTM zone 18S
- EPSG:9155SIRGAS-Chile 2016 / UTM zone 19S
- EPSG:9696REDGEOMIN
- EPSG:9697REDGEOMIN / UTM zone 12S
- EPSG:9698REDGEOMIN / UTM zone 18S
- EPSG:9699REDGEOMIN / UTM zone 19S
- EPSG:20041SIRGAS-Chile 2021
- EPSG:20042SIRGAS-Chile 2021 / UTM zone 12S
- EPSG:20048SIRGAS-Chile 2021 / UTM zone 18S
- EPSG:20049SIRGAS-Chile 2021 / UTM zone 19S
- EPSG:24879PSAD56 / UTM zone 19S
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.