International Terrestrial Reference Frame 1988
EPSG
International Earth Rotation Service (IERS) https://itrf.ign.fr/docs/solutions/itrf2020/Transfo-ITRF2020_TRFs.txt.
2022-07-21
Geodesy.
Parameter values derived from differences in CTs to ITRF2020 (codes 10104 and 10105). These supersede all values published in past IERS/ITRF documentation (CT code 9020). Scale difference in ppb and scale difference rate in ppb/yr where 1/billion = 1E-9.
Position Vector transformation (geocentric domain)
(0,)
Definition: OGC Well Known Text 2 (2019)
COORDINATEOPERATION["ITRF88 to ITRF89 (2)", VERSION["IERS-Wld 2020"], SOURCECRS[ GEODCRS["ITRF88", DYNAMIC[ FRAMEEPOCH[1988]], DATUM["International Terrestrial Reference Frame 1988", 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",4910]]], TARGETCRS[ GEODCRS["ITRF89", DYNAMIC[ FRAMEEPOCH[1988]], DATUM["International Terrestrial Reference Frame 1989", 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",4911]]], METHOD["Position Vector transformation (geocentric domain)", ID["EPSG",1033]], PARAMETER["X-axis translation",0.5, LENGTHUNIT["centimetre",0.01], ID["EPSG",8605]], PARAMETER["Y-axis translation",3.6, LENGTHUNIT["centimetre",0.01], ID["EPSG",8606]], PARAMETER["Z-axis translation",2.4, LENGTHUNIT["centimetre",0.01], ID["EPSG",8607]], PARAMETER["X-axis rotation",-0.1, ANGLEUNIT["milliarc-second",4.84813681109536E-09], ID["EPSG",8608]], PARAMETER["Y-axis rotation",0, ANGLEUNIT["milliarc-second",4.84813681109536E-09], ID["EPSG",8609]], PARAMETER["Z-axis rotation",0, ANGLEUNIT["milliarc-second",4.84813681109536E-09], ID["EPSG",8610]], PARAMETER["Scale difference",-3.1, SCALEUNIT["parts per billion",1E-09], ID["EPSG",8611]], OPERATIONACCURACY[0.01], USAGE[ SCOPE["Geodesy."], AREA["World."], BBOX[-90,-180,90,180]], ID["EPSG",10139], REMARK["Parameter values derived from differences in CTs to ITRF2020 (codes 10104 and 10105). These supersede all values published in past IERS/ITRF documentation (CT code 9020). Scale difference in ppb and scale difference rate in ppb/yr where 1/billion = 1E-9."]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "Transformation", "name": "ITRF88 to ITRF89 (2)", "source_crs": { "type": "GeodeticCRS", "name": "ITRF88", "datum": { "type": "DynamicGeodeticReferenceFrame", "name": "International Terrestrial Reference Frame 1988", "frame_reference_epoch": 1988, "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": 4910 } }, "target_crs": { "type": "GeodeticCRS", "name": "ITRF89", "datum": { "type": "DynamicGeodeticReferenceFrame", "name": "International Terrestrial Reference Frame 1989", "frame_reference_epoch": 1988, "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": 4911 } }, "method": { "name": "Position Vector transformation (geocentric domain)", "id": { "authority": "EPSG", "code": 1033 } }, "parameters": [ { "name": "X-axis translation", "value": 0.5, "unit": { "type": "LinearUnit", "name": "centimetre", "conversion_factor": 0.01 }, "id": { "authority": "EPSG", "code": 8605 } }, { "name": "Y-axis translation", "value": 3.6, "unit": { "type": "LinearUnit", "name": "centimetre", "conversion_factor": 0.01 }, "id": { "authority": "EPSG", "code": 8606 } }, { "name": "Z-axis translation", "value": 2.4, "unit": { "type": "LinearUnit", "name": "centimetre", "conversion_factor": 0.01 }, "id": { "authority": "EPSG", "code": 8607 } }, { "name": "X-axis rotation", "value": -0.1, "unit": { "type": "AngularUnit", "name": "milliarc-second", "conversion_factor": 4.84813681109536e-09 }, "id": { "authority": "EPSG", "code": 8608 } }, { "name": "Y-axis rotation", "value": 0, "unit": { "type": "AngularUnit", "name": "milliarc-second", "conversion_factor": 4.84813681109536e-09 }, "id": { "authority": "EPSG", "code": 8609 } }, { "name": "Z-axis rotation", "value": 0, "unit": { "type": "AngularUnit", "name": "milliarc-second", "conversion_factor": 4.84813681109536e-09 }, "id": { "authority": "EPSG", "code": 8610 } }, { "name": "Scale difference", "value": -3.1, "unit": { "type": "ScaleUnit", "name": "parts per billion", "conversion_factor": 1e-09 }, "id": { "authority": "EPSG", "code": 8611 } } ], "accuracy": "0.01", "scope": "Geodesy.", "area": "World.", "bbox": { "south_latitude": -90, "west_longitude": -180, "north_latitude": 90, "east_longitude": 180 }, "id": { "authority": "EPSG", "code": 10139 }, "remarks": "Parameter values derived from differences in CTs to ITRF2020 (codes 10104 and 10105). These supersede all values published in past IERS/ITRF documentation (CT code 9020). Scale difference in ppb and scale difference rate in ppb/yr where 1/billion = 1E-9." }
Definition: Mapnik
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