EPSG systems

EPSG:10622 NAD83(2011) / San Francisco SFO-B18 (ftUS)

Projected system (Local Orthographic) in use: USA - California - San Francisco international airport. The full definition below, and conversion in one click.

System record
CodeEPSG:10622
NameNAD83(2011) / San Francisco SFO-B18 (ftUS)
TypeProjected system — Local Orthographic
Area of use USA - California - San Francisco international airport
Bounds W -122,43° · S 37,58° · E -122,33° · N 37,66°
Countries United States
DatumNAD83 (National Spatial Reference System 2011)
Ellipsoid GRS 1980 a = 6378137 m · 1/f = 298.257222101
Base geographic system EPSG:6318 — NAD83(2011)
Unit US survey foot (X east, Y north)
Transformation to WGS 84 NAD83(2011) to WGS 84 (1) (EPSG:9774) — accuracy 2 m
ScopeEngineering survey.

Projection parameters

ParameterValueUnit
Latitude of projection centre37.6289686531degree
Longitude of projection centre-122.3939412704degree
Azimuth at projection centre27.7928209333degree
Scale factor at projection centre0.9999968unity
Easting at projection centre0US survey foot
Northing at projection centre0US survey foot

proj4 definition

+proj=ortho +lat_0=37.6289686531 +lon_0=-122.3939412704 +alpha=27.7928209333 +k=0.9999968 +x_0=0 +y_0=0 +ellps=GRS80 +units=us-ft +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:10622.

WKT (ESRI format, the .prj content)

PROJCS["NAD83_2011_San_Francisco_SFO-B18(ftUS)",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["Local"],PARAMETER["False_Easting",0.0],PARAMETER["False_Northing",0.0],PARAMETER["Scale_Factor",0.9999968],PARAMETER["Azimuth",27.7928209333],PARAMETER["Longitude_Of_Center",-122.3939412704],PARAMETER["Latitude_Of_Center",37.6289686531],UNIT["US survey foot",0.304800609601219]]

All systems — United States

Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.