Namespace: astro

og.astro

Namespaces

earth

Members

static,constantog.astro.AU_TO_METERS

IAU 1976 value

static,constantog.astro.EARTH_GRAVITATIONAL_PARAMETER

Earth gravitational parameter product of gravitational constant G and the mass M of the Earth.

static,constantog.astro.J2000_OBLIQUITY

Angle between J2000 mean equator and the ecliptic plane. 23 deg 26' 21".448 (Seidelmann, _Explanatory Supplement to the Astronomical Almanac_ (1992), eqn 3.222-1.

static,constantog.astro.SUN_GRAVITATIONAL_PARAMETER

Sun gravitational parameter product of gravitational constant G and the mass M of the Sun.

static,constantog.astro.TDT_TAI

Terestrial and atomic time difference.

Methods

staticog.astro.TAItoTDB(tai){Number}

Converts atomic time to barycentric dynamical time.
Name Type Description
tai Number Atomic time.
Returns:
Type Description
Number - returns barycentric dynamical time.