Definitions for "Ephemeris"
A publication giving the computed places of the heavenly bodies for each day of the year, with other numerical data, for the use of the astronomer and navigator; an astronomical almanac; as, the "American Ephemeris and Nautical Almanac."
Any tabular statement of the assigned places of a heavenly body, as a planet or comet, on several successive days.
A set of satellite orbit parameters used by GPS receivers to calculate the precise GPS satellite position and velocity. Ephemeris is used in the determination of the navigation solution and is periodically updated by the satellites to maintain its accuracy.
Keywords:  diary, journal
A diary; a journal.
A collective name for reviews, magazines, and all kinds of periodical literature.