astronomical constants

astronomical constants

[‚as·trə′näm·ə·kəl ′kän·stəns]
(astrophysics)
The elements of the orbits of the bodies of the solar system, their masses relative to the sun, their size, shape, orientation, rotation, and inner constitution, and the velocity of light.
References in periodicals archive ?
Appendices cover photometric redshifts and K-corrections, broadband photometry, and physical and astronomical constants and unit conversions.
This instrument was used to observe the Sun and Moon, to determine basic astronomical constants such as the inclination of the ecliptic to the celestial equator, and probably to follow planets and bright stars.
The updated volume incorporates the new astronomical constants adopted by the International Astronomical Union, the new standard epoch and equinox J2000.