: Astronomie: heliocentric coordinate

mathematical technique > frame of reference > coordinate system > heliocentric coordinate

astronomical technique > astrometry > coordinate system > heliocentric coordinate

heliocentric coordinate

Heliocentric coordinates is a system of celestial coordinates that has its origin at the center of the Sun and takes the ecliptic as its plane of references. Heliocentric coordinates are used especially in calculations of the relative positions of the planets and other bodies of the Solar System. (Encyclopedia of Science, by David Darling, https://www.daviddarling.info/encyclopedia/C/coordinate.html#heliocentric_coordinates)

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