EPSG systems

EPSG:3623 NAD83(NSRS2007) / New York Central

Projected system (Transverse Mercator) in use: USA - New York - SPCS - C. The full definition below, and conversion in one click.

System record
CodeEPSG:3623
NameNAD83(NSRS2007) / New York Central
TypeProjected system — Transverse Mercator
Area of use USA - New York - SPCS - C
United States (USA) - New York - counties of Broome; Cayuga; Chemung; Chenango; Cortland; Jefferson; Lewis; Madison; Oneida; Onondaga; Ontario; Oswego; Schuyler; Seneca; Steuben; Tioga; Tompkins; Wayne; Yates.
Bounds W -77,75° · S 41,99° · E -75,06° · N 44,41°
Countries United States
DatumNAD83 (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
ScopeEngineering survey, topographic mapping.

Projection parameters

ParameterValueUnit
Latitude of natural origin40degree
Longitude of natural origin-76.58333333333333degree
Scale factor at natural origin0.9999375unity
False easting250000metre
False northing0metre

proj4 definition

+proj=tmerc +lat_0=40 +lon_0=-76.5833333333333 +k=0.9999375 +x_0=250000 +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:3623.

WKT (ESRI format, the .prj content)

PROJCS["NAD_1983_NSRS2007_StatePlane_New_York_Central_FIPS_3102",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["Transverse_Mercator"],PARAMETER["False_Easting",250000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-76.5833333333333],PARAMETER["Scale_Factor",0.9999375],PARAMETER["Latitude_Of_Origin",40.0],UNIT["Meter",1.0]]

All systems — United States

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