EPSG:6623 NAD83 / Quebec Albers
Projected system (Albers Equal Area) in use: Canada - Quebec. The full definition below, and conversion in one click.
| Code | EPSG:6623 |
|---|---|
| Name | NAD83 / Quebec Albers |
| Type | Projected system — Albers Equal Area |
| Area of use | Canada - Quebec |
| Bounds | W -79,85° · S 44,99° · E -57,10° · N 62,62° |
| Countries | Canada |
| Datum | North American Datum 1983 |
| Ellipsoid | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Base geographic system | EPSG:4269 — NAD83 |
| Unit | metre (X east, Y north) |
| Transformation to WGS 84 | NAD83 to WGS 84 (1) (EPSG:1188) — accuracy 4 m |
| Scope | Topographic mapping (medium and small scale). |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of false origin | 44 | degree |
| Longitude of false origin | -68.5 | degree |
| Latitude of 1st standard parallel | 60 | degree |
| Latitude of 2nd standard parallel | 46 | degree |
| Easting at false origin | 0 | metre |
| Northing at false origin | 0 | metre |
proj4 definition
+proj=aea +lat_0=44 +lon_0=-68.5 +lat_1=60 +lat_2=46 +x_0=0 +y_0=0 +a=6378137 +rf=298.257222101 +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:6623.
WKT (ESRI format, the .prj content)
PROJCS["NAD_1983_Quebec_Albers",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",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",-68.5],PARAMETER["Standard_Parallel_1",60.0],PARAMETER["Standard_Parallel_2",46.0],PARAMETER["Latitude_Of_Origin",44.0],UNIT["Meter",1.0]]Other systems — Canada
- EPSG:4609NAD27(CGQ77)
- EPSG:4617NAD83(CSRS)
- EPSG:5320NAD83 / Teranet Ontario Lambert
- EPSG:5321NAD83(CSRS) / Teranet Ontario Lambert
- EPSG:5588NAD27 / New Brunswick Stereographic (NAD27)
- EPSG:6103NAD83(CSRS) / EPSG Arctic zone 3-29
- EPSG:6622NAD83(CSRS)v2 / Quebec Lambert
- EPSG:6624NAD83(CSRS)v2 / Quebec Albers
- EPSG:7991NAD27 / MTM zone 10
- EPSG:8082NAD83(CSRS)v6 / MTM NS 2010 zone 4
- EPSG:8083NAD83(CSRS)v6 / MTM NS 2010 zone 5
- EPSG:8232NAD83(CSRS96)
- EPSG:8237NAD83(CSRS)v2
- EPSG:8240NAD83(CSRS)v3
- EPSG:8246NAD83(CSRS)v4
- EPSG:8249NAD83(CSRS)v5
- EPSG:8252NAD83(CSRS)v6
- EPSG:8255NAD83(CSRS)v7
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.