World Geodetic System 1984 (WGS84) is an Earth-centered, Earth-fixed (ECEF) global datum
Properties:
| Name | Type | Default | Description |
|---|---|---|---|
EARTH_AUTHALIC_RADIUS |
number
|
Radius of a hypothetical perfect sphere that has the same surface area as the reference ellipsoid | |
SEMI_MAJOR_AXIS |
number
|
6378137.0 | a |
SEMI_MINOR_AXIS |
number
|
6356752.3142 | a(1-f) |
FLATTENING |
number
|
0.0033528106718309896 | f |
FLATTENING_INVERSE |
number
|
298.257223563 | 1/f |
FIRST_ECCENTRICITY_SQUARED |
number
|
0.006694380004260827 | e^2 |
LINEAR_ECCENTRICITY |
number
|
521854.00842339 | sqrt(a^2 - b^2) |
AXIS_RATIO |
number
|
0.996647189335 | b/a |
- Source:
- See: