EPSG:23303 NAD83(2011) / ICS83-Aurora (ftUS)
Système projeté (Transverse Mercator) en usage : USA - Illinois - Boone, Dekalb, Kane, Kendall, McHenry. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:23303 |
|---|---|
| Nom | NAD83(2011) / ICS83-Aurora (ftUS) |
| Type | Système projeté — Transverse Mercator |
| Zone d'usage |
USA - Illinois - Boone, Dekalb, Kane, Kendall, McHenry United States (USA) - Illinois - counties of Boone, Dekalb, Kane, Kendall and McHenry. |
| Emprise | O -88,95° · S 41,45° · E -88,19° · N 42,50° |
| Pays | États-Unis |
| Datum | NAD83 (National Spatial Reference System 2011) |
| Ellipsoïde | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Système géographique de base | EPSG:6318 — NAD83(2011) |
| Unité | US survey foot (N north, E east) |
| Transformation vers WGS 84 | NAD83(2011) to WGS 84 (1) (EPSG:9774) — précision 2 m |
| Usage | Engineering survey, topographic mapping (large and medium scale). |
Paramètres de la projection
| Paramètre | Valeur | Unité |
|---|---|---|
| Latitude of natural origin | 41.25 | degree |
| Longitude of natural origin | -88.5 | degree |
| Scale factor at natural origin | 1.00003 | unity |
| False easting | 3773000 | US survey foot |
| False northing | 492000 | US survey foot |
Définition proj4
+proj=tmerc +lat_0=41.25 +lon_0=-88.5 +k=1.00003 +x_0=1150012.7000254 +y_0=149961.8999238 +ellps=GRS80 +units=us-ft +towgs84=0,0,0 +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:23303.
WKT (format ESRI, contenu du .prj)
PROJCS["NAD_1983_(2011)_ICS_Aurora_(US_Feet)",GEOGCS["GCS_NAD_1983_2011",DATUM["D_NAD_1983_2011",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",3773000.0],PARAMETER["False_Northing",492000.0],PARAMETER["Central_Meridian",-88.5],PARAMETER["Scale_Factor",1.00003],PARAMETER["Latitude_Of_Origin",41.25],UNIT["US survey foot",0.304800609601219]]Autres systèmes — États-Unis
- EPSG:23301NAD83(2011) / ICS83-Freeport (ftUS)
- EPSG:23302NAD83(2011) / ICS83-Rockford (ftUS)
- EPSG:23304NAD83(2011) / ICS83-Chicago (ftUS)
- EPSG:23305NAD83(2011) / ICS83-Moline (ftUS)
- EPSG:23306NAD83(2011) / ICS83-Sterling (ftUS)
- EPSG:23307NAD83(2011) / ICS83-Ottawa (ftUS)
- EPSG:23308NAD83(2011) / ICS83-Joliet (ftUS)
- EPSG:23309NAD83(2011) / ICS83-Monmouth (ftUS)
- EPSG:23310NAD83(2011) / ICS83-Galesburg (ftUS)
- EPSG:23311NAD83(2011) / ICS83-Peoria (ftUS)
- EPSG:23312NAD83(2011) / ICS83-Eureka (ftUS)
- EPSG:23313NAD83(2011) / ICS83-Bloomington (ftUS)
- EPSG:23314NAD83(2011) / ICS83-Pontiac (ftUS)
- EPSG:23315NAD83(2011) / ICS83-Watseka (ftUS)
- EPSG:23316NAD83(2011) / ICS83-Quincy (ftUS)
- EPSG:23317NAD83(2011) / ICS83-Macomb (ftUS)
- EPSG:23318NAD83(2011) / ICS83-Lincoln (ftUS)
- EPSG:23319NAD83(2011) / ICS83-Decatur (ftUS)
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.