Reference frame · BCRS
The Barycentric Celestial Reference System
The reference system centred on the barycentre — the balance point — of the Solar System, used to describe the motion of the planets and the propagation of light across the Solar System. It is the frame in which planetary ephemerides are computed.
Bodies, frames & concepts
Across celestial mechanics
Knowledge connections
- Associated withThe International Celestial Reference System
- Associated withJPL Development Ephemeris
- Associated withThe Geocentric Celestial Reference System
Sources
The primary and reference sources this topic draws on.
- IAUInternational Astronomical Union
Official naming, definitions, constellation boundaries, and astronomical nomenclature.