EPSG:6393 NAD83(2011) / Alaska Albers
Projected system (Albers Equal Area) in use: USA - Alaska. The full definition below, and conversion in one click.
| Code | EPSG:6393 |
|---|---|
| Name | NAD83(2011) / Alaska Albers |
| Type | Projected system — Albers Equal Area |
| Area of use |
USA - Alaska United States (USA) - Alaska. |
| Bounds | W 172,42° · S 51,30° · E -129,99° · N 71,40° |
| Countries | United States |
| Datum | NAD83 (National Spatial Reference System 2011) |
| Ellipsoid | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Base geographic system | EPSG:6318 — NAD83(2011) |
| Unit | metre (X east, Y north) |
| Transformation to WGS 84 | NAD83(2011) to WGS 84 (1) (EPSG:9774) — accuracy 2 m |
| Scope | Topographic mapping (small scale). |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of false origin | 50 | degree |
| Longitude of false origin | -154 | degree |
| Latitude of 1st standard parallel | 55 | degree |
| Latitude of 2nd standard parallel | 65 | degree |
| Easting at false origin | 0 | metre |
| Northing at false origin | 0 | metre |
proj4 definition
+proj=aea +lat_0=50 +lon_0=-154 +lat_1=55 +lat_2=65 +x_0=0 +y_0=0 +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:6393.
WKT (ESRI format, the .prj content)
PROJCS["NAD_1983_2011_Alaska_Albers",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["Albers"],PARAMETER["False_Easting",0.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-154.0],PARAMETER["Standard_Parallel_1",55.0],PARAMETER["Standard_Parallel_2",65.0],PARAMETER["Latitude_Of_Origin",50.0],UNIT["Meter",1.0]]
Other systems — United States
- EPSG:6394NAD83(2011) / Alaska zone 1
- EPSG:6395NAD83(2011) / Alaska zone 2
- EPSG:6396NAD83(2011) / Alaska zone 3
- EPSG:6397NAD83(2011) / Alaska zone 4
- EPSG:6398NAD83(2011) / Alaska zone 5
- EPSG:6399NAD83(2011) / Alaska zone 6
- EPSG:6400NAD83(2011) / Alaska zone 7
- EPSG:6401NAD83(2011) / Alaska zone 8
- EPSG:6402NAD83(2011) / Alaska zone 9
- EPSG:6403NAD83(2011) / Alaska zone 10
- EPSG:6404NAD83(2011) / Arizona Central
- EPSG:6405NAD83(2011) / Arizona Central (ft)
- EPSG:6406NAD83(2011) / Arizona East
- EPSG:6407NAD83(2011) / Arizona East (ft)
- EPSG:6408NAD83(2011) / Arizona West
- EPSG:6409NAD83(2011) / Arizona West (ft)
- EPSG:6410NAD83(2011) / Arkansas North
- EPSG:6411NAD83(2011) / Arkansas North (ftUS)
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.