EPSG systems

EPSG:6255 MAGNA-SIRGAS / Leticia urban grid

Projected system (Colombia Urban) in use: Colombia - Leticia city. The full definition below, and conversion in one click.

System record
CodeEPSG:6255
NameMAGNA-SIRGAS / Leticia urban grid
TypeProjected system — Colombia Urban
Area of use Colombia - Leticia city
Bounds W -69,98° · S -4,23° · E -69,92° · N -4,17°
Countries Colombia
DatumMarco Geocentrico Nacional de Referencia
Ellipsoid GRS 1980 a = 6378137 m · 1/f = 298.257222101
Base geographic system EPSG:4686 — MAGNA-SIRGAS
Unit metre (N north, E east)
Transformation to WGS 84 MAGNA-SIRGAS to WGS 84 (1) (EPSG:15738) — accuracy 1 m
ScopeCadastre, engineering survey, topographic mapping (large scale).

Projection parameters

ParameterValueUnit
Latitude of natural origin-4.197684047222222degree
Longitude of natural origin-69.94281105833333degree
False easting25978.217metre
False northing27501.365metre
Projection plane origin height89.7metre

proj4 definition

+proj=col_urban +lat_0=-4.19768404722222 +lon_0=-69.9428110583333 +x_0=25978.217 +y_0=27501.365 +h_0=89.7 +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:6255.

WKT (ESRI format, the .prj content)

PROJCS["MAGNA_Leticia_Amazonas_1994",GEOGCS["GCS_MAGNA",DATUM["D_MAGNA",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["IGAC_Plano_Cartesiano"],PARAMETER["False_Easting",25978.217],PARAMETER["False_Northing",27501.365],PARAMETER["Longitude_Of_Center",-69.9428110583333],PARAMETER["Latitude_Of_Center",-4.19768404722222],PARAMETER["Height",89.7],UNIT["Meter",1.0]]

All systems — Colombia

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