equatorial coordinate system


Also found in: Thesaurus, Encyclopedia, Wikipedia.
Related to equatorial coordinate system: Ecliptic coordinate system

equatorial coordinate system

n.
A celestial coordinate system in which an object's position on the celestial sphere is described in terms of its north-south declination and east-west right ascension, measured relative to the celestial equator and vernal equinox, respectively.
References in periodicals archive ?
The horizontal coordinates of the object to be determined are transformed into the 3D Cartesian geocentric equatorial coordinate system (Jakucionis et al.
Applying intermediate 3D Cartesian horizontal and geocentric equatorial coordinate systems to determine an object's 3D position in the Earth's unified geodetic coordinate system by polar observations is suggested.