EPSG:20042 — SIRGAS-Chile 2021 / UTM zone 12S

PROJCRS[
    "SIRGAS-Chile 2021 / UTM zone 12S",
    BASEGEOGCRS[
        "SIRGAS-Chile 2021",
        DATUM[
            "SIRGAS-Chile 2021",
            ELLIPSOID[
                "GRS 1980",
                6378137,
                298.257222101,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",7019]
            ],
            ID["EPSG",1327]
        ],
        ID["EPSG",20041]
    ],
    CONVERSION[
        "UTM zone 12S",
        METHOD["Transverse Mercator",ID["EPSG",9807]],
        PARAMETER[
            "Latitude of natural origin",
            0,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8801]
        ],
        PARAMETER[
            "Longitude of natural origin",
            -111,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8802]
        ],
        PARAMETER[
            "Scale factor at natural origin",
            0.9996,
            SCALEUNIT["unity",1,ID["EPSG",9201]],
            ID["EPSG",8805]
        ],
        PARAMETER[
            "False easting",
            500000,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8806]
        ],
        PARAMETER[
            "False northing",
            10000000,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8807]
        ],
        ID["EPSG",16112]
    ],
    CS[Cartesian,2,ID["EPSG",4400]],
    AXIS["Easting (E)",east],
    AXIS["Northing (N)",north],
    LENGTHUNIT["metre",1,ID["EPSG",9001]],
    ID["EPSG",20042]
]

+proj=utm +zone=12 +south +ellps=GRS80 +units=m +no_defs +type=crs

proj4.defs("EPSG:20042", "+proj=utm +zone=12 +south +ellps=GRS80 +units=m +no_defs +type=crs");

{
  "type": "CoordinateReferenceSystem",
  "code": 20042,
  "name": "SIRGAS-Chile 2021 / UTM zone 12S",
  "kind": "projected",
  "area": "Chile - west of 108°W",
  "unit": "metre",
  "bbox": [
    -30.54,
    -113.21,
    -23.72,
    -108
  ],
  "proj4": "+proj=utm +zone=12 +south +ellps=GRS80 +units=m +no_defs +type=crs"
}

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (20042, 'EPSG', 20042, '+proj=utm +zone=12 +south +ellps=GRS80 +units=m +no_defs +type=crs', 'PROJCS["SIRGAS-Chile 2021 / UTM zone 12S",GEOGCS["SIRGAS-Chile 2021",DATUM["SIRGAS-Chile_realization_5_epoch_2021",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1327"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","20041"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-111],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",10000000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","20042"]]');

PROJECTION
  "+proj=utm"
  "+zone=12"
  "+south"
  "+ellps=GRS80"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

20042=PROJCS["SIRGAS-Chile 2021 / UTM zone 12S",GEOGCS["SIRGAS-Chile 2021",DATUM["SIRGAS-Chile_realization_5_epoch_2021",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1327"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","20041"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-111],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",10000000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","20042"]]