[**moon-sighting v1.1.1**](../README.md)

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[moon-sighting](../README.md) / WGS84

# Variable: WGS84

> `const` **WGS84**: `object`

Defined in: [types.ts:439](https://github.com/acamarata/moon-sighting/blob/89fb490051d0263a7d41c954161fb945f1569805/src/types.ts#L439)

WGS84 reference ellipsoid parameters

## Type Declaration

### a

> `readonly` **a**: `6378137` = `6378137.0`

Semi-major axis in meters

### f

> `readonly` **f**: `number`

Flattening

### invF

> `readonly` **invF**: `298.257223563` = `298.257223563`

Inverse flattening

### b

#### Get Signature

> **get** **b**(): `number`

Semi-minor axis in meters

##### Returns

`number`

### e2

#### Get Signature

> **get** **e2**(): `number`

First eccentricity squared

##### Returns

`number`