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Geodetic CRS: ITRF2020
Datum: International Terrestrial Reference Frame 2020
Ellipsoid: GRS 1980
Prime meridian: Greenwich
Data source: EPSG
Information source: AdV (Working Committee of the Surveying Authorities of the States of the Federal Republic of Germany).
Revision date: 2025-11-12
Scope: Spatial referencing.
Remarks: Derived from coordinates of stations in the GNSS 2021 campaign. Scale difference in ppb and scale difference rate in ppb/yr where 1/billion = 1E-9 or nm/m.
Method: Time-dependent Position Vector tfm (geocentric)
Area of use: Germany - onshore and offshore.
Description: (0,)
Definition: OGC Well Known Text 2 (2019)
COORDINATEOPERATION["ITRF2020 to ETRS89-DEU [ETRS89/DREF91/2025]", VERSION["Adv-Deu 2021"], SOURCECRS[ GEODCRS["ITRF2020", DYNAMIC[ FRAMEEPOCH[2015]], DATUM["International Terrestrial Reference Frame 2020", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], CS[Cartesian,3], AXIS["(X)",geocentricX, ORDER[1], LENGTHUNIT["metre",1]], AXIS["(Y)",geocentricY, ORDER[2], LENGTHUNIT["metre",1]], AXIS["(Z)",geocentricZ, ORDER[3], LENGTHUNIT["metre",1]], ID["EPSG",9988]]], TARGETCRS[ GEODCRS["ETRS89-DEU [ETRS89/DREF91/2025]", DATUM["ETRS89/DREF91 Realization 2025", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]], ANCHOREPOCH[2021.48]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], CS[Cartesian,3], AXIS["(X)",geocentricX, ORDER[1], LENGTHUNIT["metre",1]], AXIS["(Y)",geocentricY, ORDER[2], LENGTHUNIT["metre",1]], AXIS["(Z)",geocentricZ, ORDER[3], LENGTHUNIT["metre",1]], ID["EPSG",11197]]], METHOD["Time-dependent Position Vector tfm (geocentric)", ID["EPSG",1053]], PARAMETER["X-axis translation",41.1393, LENGTHUNIT["millimetre",0.001], ID["EPSG",8605]], PARAMETER["Y-axis translation",51.983, LENGTHUNIT["millimetre",0.001], ID["EPSG",8606]], PARAMETER["Z-axis translation",-101.1455, LENGTHUNIT["millimetre",0.001], ID["EPSG",8607]], PARAMETER["X-axis rotation",0.8878, ANGLEUNIT["milliarc-second",4.84813681109536E-09], ID["EPSG",8608]], PARAMETER["Y-axis rotation",12.7748, ANGLEUNIT["milliarc-second",4.84813681109536E-09], ID["EPSG",8609]], PARAMETER["Z-axis rotation",-22.2616, ANGLEUNIT["milliarc-second",4.84813681109536E-09], ID["EPSG",8610]], PARAMETER["Scale difference",7.8918, SCALEUNIT["parts per billion",1E-09], ID["EPSG",8611]], PARAMETER["Rate of change of X-axis translation",0, LENGTHUNIT["millimetres per year",3.16887651727315E-11], ID["EPSG",1040]], PARAMETER["Rate of change of Y-axis translation",0, LENGTHUNIT["millimetres per year",3.16887651727315E-11], ID["EPSG",1041]], PARAMETER["Rate of change of Z-axis translation",0, LENGTHUNIT["millimetres per year",3.16887651727315E-11], ID["EPSG",1042]], PARAMETER["Rate of change of X-axis rotation",0.086, ANGLEUNIT["milliarc-seconds per year",1.53631468932076E-16], ID["EPSG",1043]], PARAMETER["Rate of change of Y-axis rotation",0.519, ANGLEUNIT["milliarc-seconds per year",1.53631468932076E-16], ID["EPSG",1044]], PARAMETER["Rate of change of Z-axis rotation",-0.753, ANGLEUNIT["milliarc-seconds per year",1.53631468932076E-16], ID["EPSG",1045]], PARAMETER["Rate of change of Scale difference",0, SCALEUNIT["parts per billion per year",3.16887651727315E-17], ID["EPSG",1046]], PARAMETER["Parameter reference epoch",2015, TIMEUNIT["year",31556925.445], ID["EPSG",1047]], OPERATIONACCURACY[0.0], USAGE[ SCOPE["Spatial referencing."], AREA["Germany - onshore and offshore."], BBOX[47.27,3.34,55.92,15.04]], ID["EPSG",11204], REMARK["Derived from coordinates of stations in the GNSS 2021 campaign. Scale difference in ppb and scale difference rate in ppb/yr where 1/billion = 1E-9 or nm/m."]]
Definition: JavaScript (Proj4js)
proj4.defs("EPSG:11204","+proj=helmert +x=0.0411393 +y=0.051983 +z=-0.1011455 +rx=0.0008878 +ry=0.0127748 +rz=-0.0222616 +s=0.0078918 +dx=0 +dy=0 +dz=0 +drx=8.6e-05 +dry=0.000519 +drz=-0.000753 +ds=0 +t_epoch=2015 +convention=position_vector");
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "Transformation", "name": "ITRF2020 to ETRS89-DEU [ETRS89/DREF91/2025]", "source_crs": { "type": "GeodeticCRS", "name": "ITRF2020", "datum": { "type": "DynamicGeodeticReferenceFrame", "name": "International Terrestrial Reference Frame 2020", "frame_reference_epoch": 2015, "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Geocentric X", "abbreviation": "X", "direction": "geocentricX", "unit": "metre" }, { "name": "Geocentric Y", "abbreviation": "Y", "direction": "geocentricY", "unit": "metre" }, { "name": "Geocentric Z", "abbreviation": "Z", "direction": "geocentricZ", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 9988 }, "remarks": "Replaces ITRF2014 (CRS code 7789). Replaced by ITRF2020-u2023 (CRS code 10779)." }, "target_crs": { "type": "GeodeticCRS", "name": "ETRS89-DEU [ETRS89/DREF91/2025]", "datum": { "type": "GeodeticReferenceFrame", "name": "ETRS89/DREF91 Realization 2025", "anchor_epoch": 2021.48, "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Geocentric X", "abbreviation": "X", "direction": "geocentricX", "unit": "metre" }, { "name": "Geocentric Y", "abbreviation": "Y", "direction": "geocentricY", "unit": "metre" }, { "name": "Geocentric Z", "abbreviation": "Z", "direction": "geocentricZ", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 11197 }, "remarks": "German national realization of ETRS89. Replaces ETRS89/DREF91 Realization 2016 from 2025-07-01." }, "method": { "name": "Time-dependent Position Vector tfm (geocentric)", "id": { "authority": "EPSG", "code": 1053 } }, "parameters": [ { "name": "X-axis translation", "value": 41.1393, "unit": { "type": "LinearUnit", "name": "millimetre", "conversion_factor": 0.001 }, "id": { "authority": "EPSG", "code": 8605 } }, { "name": "Y-axis translation", "value": 51.983, "unit": { "type": "LinearUnit", "name": "millimetre", "conversion_factor": 0.001 }, "id": { "authority": "EPSG", "code": 8606 } }, { "name": "Z-axis translation", "value": -101.1455, "unit": { "type": "LinearUnit", "name": "millimetre", "conversion_factor": 0.001 }, "id": { "authority": "EPSG", "code": 8607 } }, { "name": "X-axis rotation", "value": 0.8878, "unit": { "type": "AngularUnit", "name": "milliarc-second", "conversion_factor": 4.84813681109536e-09 }, "id": { "authority": "EPSG", "code": 8608 } }, { "name": "Y-axis rotation", "value": 12.7748, "unit": { "type": "AngularUnit", "name": "milliarc-second", "conversion_factor": 4.84813681109536e-09 }, "id": { "authority": "EPSG", "code": 8609 } }, { "name": "Z-axis rotation", "value": -22.2616, "unit": { "type": "AngularUnit", "name": "milliarc-second", "conversion_factor": 4.84813681109536e-09 }, "id": { "authority": "EPSG", "code": 8610 } }, { "name": "Scale difference", "value": 7.8918, "unit": { "type": "ScaleUnit", "name": "parts per billion", "conversion_factor": 1e-09 }, "id": { "authority": "EPSG", "code": 8611 } }, { "name": "Rate of change of X-axis translation", "value": 0, "unit": { "type": "LinearUnit", "name": "millimetres per year", "conversion_factor": 3.16887651727315e-11 }, "id": { "authority": "EPSG", "code": 1040 } }, { "name": "Rate of change of Y-axis translation", "value": 0, "unit": { "type": "LinearUnit", "name": "millimetres per year", "conversion_factor": 3.16887651727315e-11 }, "id": { "authority": "EPSG", "code": 1041 } }, { "name": "Rate of change of Z-axis translation", "value": 0, "unit": { "type": "LinearUnit", "name": "millimetres per year", "conversion_factor": 3.16887651727315e-11 }, "id": { "authority": "EPSG", "code": 1042 } }, { "name": "Rate of change of X-axis rotation", "value": 0.086, "unit": { "type": "AngularUnit", "name": "milliarc-seconds per year", "conversion_factor": 1.53631468932076e-16 }, "id": { "authority": "EPSG", "code": 1043 } }, { "name": "Rate of change of Y-axis rotation", "value": 0.519, "unit": { "type": "AngularUnit", "name": "milliarc-seconds per year", "conversion_factor": 1.53631468932076e-16 }, "id": { "authority": "EPSG", "code": 1044 } }, { "name": "Rate of change of Z-axis rotation", "value": -0.753, "unit": { "type": "AngularUnit", "name": "milliarc-seconds per year", "conversion_factor": 1.53631468932076e-16 }, "id": { "authority": "EPSG", "code": 1045 } }, { "name": "Rate of change of Scale difference", "value": 0, "unit": { "type": "ScaleUnit", "name": "parts per billion per year", "conversion_factor": 3.16887651727315e-17 }, "id": { "authority": "EPSG", "code": 1046 } }, { "name": "Parameter reference epoch", "value": 2015, "unit": { "type": "TimeUnit", "name": "year", "conversion_factor": 31556925.445 }, "id": { "authority": "EPSG", "code": 1047 } } ], "accuracy": "0.0", "scope": "Spatial referencing.", "area": "Germany - onshore and offshore.", "bbox": { "south_latitude": 47.27, "west_longitude": 3.34, "north_latitude": 55.92, "east_longitude": 15.04 }, "id": { "authority": "EPSG", "code": 11204 }, "remarks": "Derived from coordinates of stations in the GNSS 2021 campaign. Scale difference in ppb and scale difference rate in ppb/yr where 1/billion = 1E-9 or nm/m." }
Definition: MapServer - MAPfile
PROJECTION "proj=helmert" "x=0.0411393" "y=0.051983" "z=-0.1011455" "rx=0.0008878" "ry=0.0127748" "rz=-0.0222616" "s=0.0078918" "dx=0" "dy=0" "dz=0" "drx=8.6e-05" "dry=0.000519" "drz=-0.000753" "ds=0" "t_epoch=2015" "convention=position_vector" END
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=helmert +x=0.0411393 +y=0.051983 +z=-0.1011455 +rx=0.0008878 +ry=0.0127748 +rz=-0.0222616 +s=0.0078918 +dx=0 +dy=0 +dz=0 +drx=8.6e-05 +dry=0.000519 +drz=-0.000753 +ds=0 +t_epoch=2015 +convention=position_vector"> <Layer srs="+proj=helmert +x=0.0411393 +y=0.051983 +z=-0.1011455 +rx=0.0008878 +ry=0.0127748 +rz=-0.0222616 +s=0.0078918 +dx=0 +dy=0 +dz=0 +drx=8.6e-05 +dry=0.000519 +drz=-0.000753 +ds=0 +t_epoch=2015 +convention=position_vector"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 11204, 'EPSG', 11204, '+proj=helmert +x=0.0411393 +y=0.051983 +z=-0.1011455 +rx=0.0008878 +ry=0.0127748 +rz=-0.0222616 +s=0.0078918 +dx=0 +dy=0 +dz=0 +drx=8.6e-05 +dry=0.000519 +drz=-0.000753 +ds=0 +t_epoch=2015 +convention=position_vector', 'None');
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