Unit: metre
Geodetic CRS: Asse 2025
Datum: Asse geodetic datum 2025
Ellipsoid: Bessel 1841
Prime meridian: Greenwich
Data source: EPSG
Information source: Bundesgesellschaft für Endlagerung mbH (BGE); https://www.bge.de
Revision date: 2025-07-10
Scope: Engineering survey, GIS, topographic mapping.
Remarks: Defined through 3-dimensional transformation from ETRS89/DREF91 Realization 2016 (see CT 10905). Coordinates are close to but not identical to DHDN / 3-degree Gauss-Kruger zone 4 (E-N).
Area of use: Germany - Lower Saxony - Asse mining area.
Coordinate system: Cartesian 2D CS. Axes: easting, northing (E,N). Orientations: east, north. UoM: m.
Center coordinates
4407577.24 5778629.87
Projected bounds:
4404100.68 5775786.12
4411049.99 5781475.97
WGS84 bounds:
10.6 52.11
10.7 52.16
Definition: OGC Well Known Text
PROJCS["Asse 2025 / 3-degree Gauss-Kruger zone 4 (E-N)", GEOGCS["Asse 2025", DATUM["Asse_geodetic_datum_2025", SPHEROID["Bessel 1841",6377397.155,299.1528128, AUTHORITY["EPSG","7004"]], AUTHORITY["EPSG","1413"]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","10898"]], PROJECTION["Transverse_Mercator"], PARAMETER["latitude_of_origin",0], PARAMETER["central_meridian",12], PARAMETER["scale_factor",1], PARAMETER["false_easting",4500000], PARAMETER["false_northing",0], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AXIS["Easting",EAST], AXIS["Northing",NORTH], AUTHORITY["EPSG","10899"]]
Definition: OGC Well Known Text 2 (2019)
PROJCRS["Asse 2025 / 3-degree Gauss-Kruger zone 4 (E-N)", BASEGEOGCRS["Asse 2025", DATUM["Asse geodetic datum 2025", ELLIPSOID["Bessel 1841",6377397.155,299.1528128, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",10898]], CONVERSION["3-degree Gauss-Kruger zone 4", METHOD["Transverse Mercator", ID["EPSG",9807]], PARAMETER["Latitude of natural origin",0, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",12, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["Scale factor at natural origin",1, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",4500000, LENGTHUNIT["metre",1], ID["EPSG",8806]], PARAMETER["False northing",0, LENGTHUNIT["metre",1], ID["EPSG",8807]]], CS[Cartesian,2], AXIS["(E)",east, ORDER[1], LENGTHUNIT["metre",1]], AXIS["(N)",north, ORDER[2], LENGTHUNIT["metre",1]], USAGE[ SCOPE["Engineering survey, GIS, topographic mapping."], AREA["Germany - Lower Saxony - Asse mining area."], BBOX[52.11,10.6,52.16,10.7]], ID["EPSG",10899]]
Definition: ESRI Well Known Text
PROJCS["Asse_2025_3-degree_Gauss-Kruger_zone_4(E-N)", GEOGCS["GCS_Asse_2025", DATUM["D_Asse_geodetic_datum_2025", SPHEROID["Bessel_1841",6377397.155,299.1528128]], PRIMEM["Greenwich",0.0], UNIT["Degree",0.0174532925199433]], PROJECTION["Gauss_Kruger"], PARAMETER["False_Easting",4500000.0], PARAMETER["False_Northing",0.0], PARAMETER["Central_Meridian",12.0], PARAMETER["Scale_Factor",1.0], PARAMETER["Latitude_Of_Origin",0.0], UNIT["Meter",1.0]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "ProjectedCRS", "name": "Asse 2025 / 3-degree Gauss-Kruger zone 4 (E-N)", "base_crs": { "type": "GeographicCRS", "name": "Asse 2025", "datum": { "type": "GeodeticReferenceFrame", "name": "Asse geodetic datum 2025", "ellipsoid": { "name": "Bessel 1841", "semi_major_axis": 6377397.155, "inverse_flattening": 299.1528128 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 10898 } }, "conversion": { "name": "3-degree Gauss-Kruger zone 4", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 12, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 1, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 4500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "E", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "N", "direction": "north", "unit": "metre" } ] }, "scope": "Engineering survey, GIS, topographic mapping.", "area": "Germany - Lower Saxony - Asse mining area.", "bbox": { "south_latitude": 52.11, "west_longitude": 10.6, "north_latitude": 52.16, "east_longitude": 10.7 }, "id": { "authority": "EPSG", "code": 10899 } }
Definition: GeoServer
10899=PROJCS["Asse 2025 / 3-degree Gauss-Kruger zone 4 (E-N)",GEOGCS["Asse 2025",DATUM["Asse_geodetic_datum_2025",SPHEROID["Bessel 1841",6377397.155,299.1528128,AUTHORITY["EPSG","7004"]],AUTHORITY["EPSG","1413"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","10898"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",12],PARAMETER["scale_factor",1],PARAMETER["false_easting",4500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","10899"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=tmerc +lat_0=0 +lon_0=12 +k=1 +x_0=4500000 +y_0=0 +ellps=bessel +units=m +no_defs +type=crs"> <Layer srs="+proj=tmerc +lat_0=0 +lon_0=12 +k=1 +x_0=4500000 +y_0=0 +ellps=bessel +units=m +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 10899, 'EPSG', 10899, '+proj=tmerc +lat_0=0 +lon_0=12 +k=1 +x_0=4500000 +y_0=0 +ellps=bessel +units=m +no_defs +type=crs', 'PROJCS["Asse 2025 / 3-degree Gauss-Kruger zone 4 (E-N)",GEOGCS["Asse 2025",DATUM["Asse_geodetic_datum_2025",SPHEROID["Bessel 1841",6377397.155,299.1528128,AUTHORITY["EPSG","7004"]],AUTHORITY["EPSG","1413"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","10898"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",12],PARAMETER["scale_factor",1],PARAMETER["false_easting",4500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","10899"]]');