Ephemerides
An ephemeris(plural: ephemerides, prounounced Eff-uh-MERR-i-Deez) is defined to be a tabular listing of the position of a celestial body at regular intervals. Throughout history scientifically observant cultures have sought to understand and predict celestial phenomena, most notably the motions of the Sun, Moon, and planets.
ephemeris Sun planets gravitation celestial↗