EPSG systems

EPSG:2057 Rassadiran / Nakhl e Taqi

Projected system (Hotine Oblique Mercator (variant B)) in use: Iran - Taheri refinery. The full definition below, and conversion in one click.

System record
CodeEPSG:2057
NameRassadiran / Nakhl e Taqi
TypeProjected system — Hotine Oblique Mercator (variant B)
Area of use Iran - Taheri refinery
Iran - Taheri refinery site.
Bounds W 52,50° · S 27,39° · E 52,71° · N 27,61°
Countries Iran
DatumRassadiran
Ellipsoid International 1924 a = 6378388 m · 1/f = 297
Base geographic system EPSG:4153 — Rassadiran
Unit metre (E east, N north)
Transformation to WGS 84 Rassadiran to WGS 84 (1) (EPSG:1512) — accuracy 0.5 m
ScopeEngineering survey.

Projection parameters

ParameterValueUnit
Latitude of projection centre27.518828805555554degree
Longitude of projection centre52.60353916666667degree
Azimuth at projection centre0.5716611944444444degree
Angle from Rectified to Skew Grid0.5716611944444444degree
Scale factor at projection centre0.999895934unity
Easting at projection centre658377.437metre
Northing at projection centre3044969.194metre

proj4 definition

+proj=omerc +lat_0=27.5188288055556 +lonc=52.6035391666667 +alpha=0.571661194444444 +gamma=0.571661194444444 +k=0.999895934 +x_0=658377.437 +y_0=3044969.194 +ellps=intl +units=m +towgs84=-133.63,-157.5,-158.62 +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:2057.

WKT (ESRI format, the .prj content)

PROJCS["Rassadiran_Nakhl_e_Taqi",GEOGCS["GCS_Rassadiran",DATUM["D_Rassadiran",SPHEROID["International_1924",6378388.0,297.0]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Hotine_Oblique_Mercator_Azimuth_Center"],PARAMETER["False_Easting",658377.437],PARAMETER["False_Northing",3044969.194],PARAMETER["Scale_Factor",0.999895934],PARAMETER["Azimuth",0.571661194444444],PARAMETER["Longitude_Of_Center",52.6035391666667],PARAMETER["Latitude_Of_Center",27.5188288055556],UNIT["Meter",1.0]]

All systems — Iran

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