EPSG:6402 NAD83(2011) / Alaska zone 9
Projected system (Transverse Mercator) in use: USA - Alaska - north of 54.5°N; west of 168°W. The full definition below, and conversion in one click.
| Code | EPSG:6402 |
|---|---|
| Name | NAD83(2011) / Alaska zone 9 |
| Type | Projected system — Transverse Mercator |
| Area of use |
USA - Alaska - north of 54.5°N; west of 168°W United States (USA) - Alaska onshore north of 54°30'N and west of 168°W. |
| Bounds | W -173,16° · S 56,49° · E -168,00° · N 65,82° |
| 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 | Engineering survey, topographic mapping. |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of natural origin | 54 | degree |
| Longitude of natural origin | -170 | degree |
| Scale factor at natural origin | 0.9999 | unity |
| False easting | 500000 | metre |
| False northing | 0 | metre |
proj4 definition
+proj=tmerc +lat_0=54 +lon_0=-170 +k=0.9999 +x_0=500000 +y_0=0 +ellps=GRS80 +units=m +towgs84=0,0,0 +no_defsPaste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:6402.
WKT (ESRI format, the .prj content)
PROJCS["NAD_1983_2011_StatePlane_Alaska_9_FIPS_5009",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",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-170.0],PARAMETER["Scale_Factor",0.9999],PARAMETER["Latitude_Of_Origin",54.0],UNIT["Meter",1.0]]Other systems — United States
- EPSG:6393NAD83(2011) / Alaska Albers
- 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: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.