EPSG:3503 NAD83(NSRS2007) / Colorado North
Projected system (Lambert Conic Conformal (2SP)) in use: USA - Colorado - SPCS - N. The full definition below, and conversion in one click.
| Code | EPSG:3503 |
|---|---|
| Name | NAD83(NSRS2007) / Colorado North |
| Type | Projected system — Lambert Conic Conformal (2SP) |
| Area of use |
USA - Colorado - SPCS - N United States (USA) - Colorado - counties Adams; Boulder; Gilpin; Grand; Jackson; Larimer; Logan; Moffat; Morgan; Phillips; Rio Blanco; Routt; Sedgwick; Washington; Weld; Yuma. |
| Bounds | W -109,06° · S 39,56° · E -102,04° · N 41,01° |
| Countries | United States |
| Datum | NAD83 (National Spatial Reference System 2007) |
| Ellipsoid | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Base geographic system | EPSG:4759 — NAD83(NSRS2007) |
| Unit | metre (X east, Y north) |
| Transformation to WGS 84 | NAD83(NSRS2007) to WGS 84 (1) (EPSG:15931) — accuracy 2 m |
| Scope | Engineering survey, topographic mapping. |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of false origin | 39.333333333333336 | degree |
| Longitude of false origin | -105.5 | degree |
| Latitude of 1st standard parallel | 40.78333333333333 | degree |
| Latitude of 2nd standard parallel | 39.71666666666667 | degree |
| Easting at false origin | 914401.8289 | metre |
| Northing at false origin | 304800.6096 | metre |
proj4 definition
+proj=lcc +lat_0=39.3333333333333 +lon_0=-105.5 +lat_1=40.7833333333333 +lat_2=39.7166666666667 +x_0=914401.8289 +y_0=304800.6096 +ellps=GRS80 +units=m +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:3503.
WKT (ESRI format, the .prj content)
PROJCS["NAD_1983_NSRS2007_StatePlane_Colorado_North_FIPS_0501",GEOGCS["GCS_NAD_1983_NSRS2007",DATUM["D_NAD_1983_NSRS2007",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",914401.8289],PARAMETER["False_Northing",304800.6096],PARAMETER["Central_Meridian",-105.5],PARAMETER["Standard_Parallel_1",40.7833333333333],PARAMETER["Standard_Parallel_2",39.7166666666667],PARAMETER["Latitude_Of_Origin",39.3333333333333],UNIT["Meter",1.0]]
Other systems — United States
- EPSG:3494NAD83(NSRS2007) / California zone 3 (ftUS)
- EPSG:3495NAD83(NSRS2007) / California zone 4
- EPSG:3496NAD83(NSRS2007) / California zone 4 (ftUS)
- EPSG:3497NAD83(NSRS2007) / California zone 5
- EPSG:3498NAD83(NSRS2007) / California zone 5 (ftUS)
- EPSG:3499NAD83(NSRS2007) / California zone 6
- EPSG:3500NAD83(NSRS2007) / California zone 6 (ftUS)
- EPSG:3501NAD83(NSRS2007) / Colorado Central
- EPSG:3502NAD83(NSRS2007) / Colorado Central (ftUS)
- EPSG:3504NAD83(NSRS2007) / Colorado North (ftUS)
- EPSG:3505NAD83(NSRS2007) / Colorado South
- EPSG:3506NAD83(NSRS2007) / Colorado South (ftUS)
- EPSG:3507NAD83(NSRS2007) / Connecticut
- EPSG:3508NAD83(NSRS2007) / Connecticut (ftUS)
- EPSG:3509NAD83(NSRS2007) / Delaware
- EPSG:3510NAD83(NSRS2007) / Delaware (ftUS)
- EPSG:3511NAD83(NSRS2007) / Florida East
- EPSG:3512NAD83(NSRS2007) / Florida East (ftUS)
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.