EPSG:6866

ITRF2000 to NAD83(CORS96) (1)

Attributes

Geodetic CRS: ITRF2000

Datum: International Terrestrial Reference Frame 2000

Ellipsoid: GRS 1980

Prime meridian: Greenwich

Data source: EPSG

Information source: Soler and Snay "Transforming Positions and Velocities between the International Terrestrial Reference Frame of 2000 and North American Datum of 1983", Journal of Survey Engineering, May 2004 and at US National Geodetic Survey http://geodesy.noaa.gov/CORS

Revision date: 2019-09-17

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Definition: PROJ.4

+proj=helmert +x=0.9956 +y=-1.9013 +z=-0.5215 +rx=0.025915 +ry=0.009426 +rz=0.011599 +s=0.00062 +dx=0.0007 +dy=-0.0007 +dz=0.0005 +drx=6.7e-05 +dry=-0.000757 +drz=-5.1e-05 +ds=-0.00018 +t_epoch=1997 +convention=coordinate_frame

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:6866","+proj=helmert +x=0.9956 +y=-1.9013 +z=-0.5215 +rx=0.025915 +ry=0.009426 +rz=0.011599 +s=0.00062 +dx=0.0007 +dy=-0.0007 +dz=0.0005 +drx=6.7e-05 +dry=-0.000757 +drz=-5.1e-05 +ds=-0.00018 +t_epoch=1997 +convention=coordinate_frame");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.4/projjson.schema.json",
    "type": "Transformation",
    "name": "ITRF2000 to NAD83(CORS96) (1)",
    "source_crs": {
        "type": "GeodeticCRS",
        "name": "ITRF2000",
        "datum": {
            "type": "DynamicGeodeticReferenceFrame",
            "name": "International Terrestrial Reference Frame 2000",
            "frame_reference_epoch": 1997,
            "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": 4919
        }
    },
    "target_crs": {
        "type": "GeodeticCRS",
        "name": "NAD83(CORS96)",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "NAD83 (Continuously Operating Reference Station 1996)",
            "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": 6781
        }
    },
    "method": {
        "name": "Time-dependent Coordinate Frame rotation (geocen)",
        "id": {
            "authority": "EPSG",
            "code": 1056
        }
    },
    "parameters": [
        {
            "name": "X-axis translation",
            "value": 0.9956,
            "unit": "metre",
            "id": {
                "authority": "EPSG",
                "code": 8605
            }
        },
        {
            "name": "Y-axis translation",
            "value": -1.9013,
            "unit": "metre",
            "id": {
                "authority": "EPSG",
                "code": 8606
            }
        },
        {
            "name": "Z-axis translation",
            "value": -0.5215,
            "unit": "metre",
            "id": {
                "authority": "EPSG",
                "code": 8607
            }
        },
        {
            "name": "X-axis rotation",
            "value": 25.915,
            "unit": {
                "type": "AngularUnit",
                "name": "milliarc-second",
                "conversion_factor": 4.84813681109536e-09
            },
            "id": {
                "authority": "EPSG",
                "code": 8608
            }
        },
        {
            "name": "Y-axis rotation",
            "value": 9.426,
            "unit": {
                "type": "AngularUnit",
                "name": "milliarc-second",
                "conversion_factor": 4.84813681109536e-09
            },
            "id": {
                "authority": "EPSG",
                "code": 8609
            }
        },
        {
            "name": "Z-axis rotation",
            "value": 11.599,
            "unit": {
                "type": "AngularUnit",
                "name": "milliarc-second",
                "conversion_factor": 4.84813681109536e-09
            },
            "id": {
                "authority": "EPSG",
                "code": 8610
            }
        },
        {
            "name": "Scale difference",
            "value": 0.62,
            "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": 0.0007,
            "unit": {
                "type": "LinearUnit",
                "name": "metres per year",
                "conversion_factor": 3.16887651727315e-08
            },
            "id": {
                "authority": "EPSG",
                "code": 1040
            }
        },
        {
            "name": "Rate of change of Y-axis translation",
            "value": -0.0007,
            "unit": {
                "type": "LinearUnit",
                "name": "metres per year",
                "conversion_factor": 3.16887651727315e-08
            },
            "id": {
                "authority": "EPSG",
                "code": 1041
            }
        },
        {
            "name": "Rate of change of Z-axis translation",
            "value": 0.0005,
            "unit": {
                "type": "LinearUnit",
                "name": "metres per year",
                "conversion_factor": 3.16887651727315e-08
            },
            "id": {
                "authority": "EPSG",
                "code": 1042
            }
        },
        {
            "name": "Rate of change of X-axis rotation",
            "value": 0.067,
            "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": -0.757,
            "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": -0.051,
            "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": -0.18,
            "unit": {
                "type": "ScaleUnit",
                "name": "parts per billion per year",
                "conversion_factor": 3.16887651727315e-17
            },
            "id": {
                "authority": "EPSG",
                "code": 1046
            }
        },
        {
            "name": "Parameter reference epoch",
            "value": 1997,
            "unit": {
                "type": "TimeUnit",
                "name": "year",
                "conversion_factor": 31556925.445
            },
            "id": {
                "authority": "EPSG",
                "code": 1047
            }
        }
    ],
    "accuracy": "0.0",
    "scope": "Geodesy. Defines NAD83(CORS96) from from 1st January 2002 through 6th September 2011.",
    "area": "Puerto Rico - onshore and offshore. United States (USA) onshore and offshore - Alabama; Alaska; Arizona; Arkansas; California; Colorado; Connecticut; Delaware; Florida; Georgia; Idaho; Illinois; Indiana; Iowa; Kansas; Kentucky; Louisiana; Maine; Maryland; Massachusetts; Michigan; Minnesota; Mississippi; Missouri; Montana; Nebraska; Nevada; New Hampshire; New Jersey; New Mexico; New York; North Carolina; North Dakota; Ohio; Oklahoma; Oregon; Pennsylvania; Rhode Island; South Carolina; South Dakota; Tennessee; Texas; Utah; Vermont; Virginia; Washington; West Virginia; Wisconsin; Wyoming. US Virgin Islands - onshore and offshore.",
    "bbox": {
        "south_latitude": 14.92,
        "west_longitude": 167.65,
        "north_latitude": 74.71,
        "east_longitude": -63.88
    },
    "id": {
        "authority": "EPSG",
        "code": 6866
    },
    "remarks": "Scale difference in ppb and scale difference rate in ppb/yr where 1/billion = 1E-9 or nm/m. Joint derivation by Canada and US (tfm 6864) concatenated with IGS value for ITRF96>97 and IERS ITRF97>2000 transformations. See tfm 8261 for Canadian equivalent."
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=helmert"
	"x=0.9956"
	"y=-1.9013"
	"z=-0.5215"
	"rx=0.025915"
	"ry=0.009426"
	"rz=0.011599"
	"s=0.00062"
	"dx=0.0007"
	"dy=-0.0007"
	"dz=0.0005"
	"drx=6.7e-05"
	"dry=-0.000757"
	"drz=-5.1e-05"
	"ds=-0.00018"
	"t_epoch=1997"
	"convention=coordinate_frame"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=helmert +x=0.9956 +y=-1.9013 +z=-0.5215 +rx=0.025915 +ry=0.009426 +rz=0.011599 +s=0.00062 +dx=0.0007 +dy=-0.0007 +dz=0.0005 +drx=6.7e-05 +dry=-0.000757 +drz=-5.1e-05 +ds=-0.00018 +t_epoch=1997 +convention=coordinate_frame">
	<Layer srs="+proj=helmert +x=0.9956 +y=-1.9013 +z=-0.5215 +rx=0.025915 +ry=0.009426 +rz=0.011599 +s=0.00062 +dx=0.0007 +dy=-0.0007 +dz=0.0005 +drx=6.7e-05 +dry=-0.000757 +drz=-5.1e-05 +ds=-0.00018 +t_epoch=1997 +convention=coordinate_frame">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 6866, 'EPSG', 6866, '+proj=helmert +x=0.9956 +y=-1.9013 +z=-0.5215 +rx=0.025915 +ry=0.009426 +rz=0.011599 +s=0.00062 +dx=0.0007 +dy=-0.0007 +dz=0.0005 +drx=6.7e-05 +dry=-0.000757 +drz=-5.1e-05 +ds=-0.00018 +t_epoch=1997 +convention=coordinate_frame', 'None');

Definition: OGC WKT 2 (2019)

COORDINATEOPERATION["ITRF2000 to NAD83(CORS96) (1)",VERSION["NGS-US CORS96"],SOURCECRS[GEODCRS["ITRF2000",DYNAMIC[FRAMEEPOCH[1997]],DATUM["International Terrestrial Reference Frame 2000",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",4919]]],TARGETCRS[GEODCRS["NAD83(CORS96)",DATUM["NAD83 (Continuously Operating Reference Station 1996)",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",6781]]],METHOD["Time-dependent Coordinate Frame rotation (geocen)",ID["EPSG",1056]],PARAMETER["X-axis translation",0.9956,LENGTHUNIT["metre",1],ID["EPSG",8605]],PARAMETER["Y-axis translation",-1.9013,LENGTHUNIT["metre",1],ID["EPSG",8606]],PARAMETER["Z-axis translation",-0.5215,LENGTHUNIT["metre",1],ID["EPSG",8607]],PARAMETER["X-axis rotation",25.915,ANGLEUNIT["milliarc-second",4.84813681109536E-09],ID["EPSG",8608]],PARAMETER["Y-axis rotation",9.426,ANGLEUNIT["milliarc-second",4.84813681109536E-09],ID["EPSG",8609]],PARAMETER["Z-axis rotation",11.599,ANGLEUNIT["milliarc-second",4.84813681109536E-09],ID["EPSG",8610]],PARAMETER["Scale difference",0.62,SCALEUNIT["parts per billion",1E-09],ID["EPSG",8611]],PARAMETER["Rate of change of X-axis translation",0.0007,LENGTHUNIT["metres per year",3.16887651727315E-08],ID["EPSG",1040]],PARAMETER["Rate of change of Y-axis translation",-0.0007,LENGTHUNIT["metres per year",3.16887651727315E-08],ID["EPSG",1041]],PARAMETER["Rate of change of Z-axis translation",0.0005,LENGTHUNIT["metres per year",3.16887651727315E-08],ID["EPSG",1042]],PARAMETER["Rate of change of X-axis rotation",0.067,ANGLEUNIT["milliarc-seconds per year",1.53631468932076E-16],ID["EPSG",1043]],PARAMETER["Rate of change of Y-axis rotation",-0.757,ANGLEUNIT["milliarc-seconds per year",1.53631468932076E-16],ID["EPSG",1044]],PARAMETER["Rate of change of Z-axis rotation",-0.051,ANGLEUNIT["milliarc-seconds per year",1.53631468932076E-16],ID["EPSG",1045]],PARAMETER["Rate of change of Scale difference",-0.18,SCALEUNIT["parts per billion per year",3.16887651727315E-17],ID["EPSG",1046]],PARAMETER["Parameter reference epoch",1997,TIMEUNIT["year",31556925.445],ID["EPSG",1047]],OPERATIONACCURACY[0.0],USAGE[SCOPE["Geodesy. Defines NAD83(CORS96) from from 1st January 2002 through 6th September 2011."],AREA["Puerto Rico - onshore and offshore. United States (USA) onshore and offshore - Alabama; Alaska; Arizona; Arkansas; California; Colorado; Connecticut; Delaware; Florida; Georgia; Idaho; Illinois; Indiana; Iowa; Kansas; Kentucky; Louisiana; Maine; Maryland; Massachusetts; Michigan; Minnesota; Mississippi; Missouri; Montana; Nebraska; Nevada; New Hampshire; New Jersey; New Mexico; New York; North Carolina; North Dakota; Ohio; Oklahoma; Oregon; Pennsylvania; Rhode Island; South Carolina; South Dakota; Tennessee; Texas; Utah; Vermont; Virginia; Washington; West Virginia; Wisconsin; Wyoming. US Virgin Islands - onshore and offshore."],BBOX[14.92,167.65,74.71,-63.88]],ID["EPSG",6866],REMARK["Scale difference in ppb and scale difference rate in ppb/yr where 1/billion = 1E-9 or nm/m. Joint derivation by Canada and US (tfm 6864) concatenated with IGS value for ITRF96>97 and IERS ITRF97>2000 transformations. See tfm 8261 for Canadian equivalent."]]