EPSG:8018 GDA2020 / CIG2020
Projected system (Transverse Mercator) in use: Christmas Island - onshore. The full definition below, and conversion in one click.
| Code | EPSG:8018 |
|---|---|
| Name | GDA2020 / CIG2020 |
| Type | Projected system — Transverse Mercator |
| Area of use | Christmas Island - onshore |
| Bounds | W 105,48° · S -10,63° · E 105,77° · N -10,36° |
| Countries | Christmas Island |
| Datum | Geocentric Datum of Australia 2020 |
| Ellipsoid | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Base geographic system | EPSG:7844 — GDA2020 |
| Unit | metre (E east, N north) |
| Transformation to WGS 84 | GDA2020 to WGS 84 (2) (EPSG:8450) — accuracy 3 m |
| Scope | Cadastre, engineering survey. Usage restricted to areas below 290m above sea level. |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of natural origin | 0 | degree |
| Longitude of natural origin | 105.625 | degree |
| Scale factor at natural origin | 1.00002514 | unity |
| False easting | 50000 | metre |
| False northing | 1400000 | metre |
proj4 definition
+proj=tmerc +lat_0=0 +lon_0=105.625 +k=1.00002514 +x_0=50000 +y_0=1400000 +ellps=GRS80 +units=m +towgs84=0,0,0 +no_defsPaste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:8018.
WKT (ESRI format, the .prj content)
PROJCS["GDA2020_CIG2020",GEOGCS["GCS_GDA2020",DATUM["GDA2020",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",50000.0],PARAMETER["False_Northing",1400000.0],PARAMETER["Central_Meridian",105.625],PARAMETER["Scale_Factor",1.00002514],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]Other systems — Christmas Island
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.