For scientific uses, a modern planetary ephemeris comprises software that generates positions of planets and often of their satellites, asteroids, or comets, at virtually any time desired by the user.

Tables of planetary movement, transits, and positions. See an ephemeris for planets and asteroids of many different types--by the day, month, and year.

Each ephemeris file covers one year and prints on six pages, with two months per page. The ephemeris contains the regular planets, Sun, Moon, Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune, …

In astronomy and celestial navigation, an ephemeris gives the positions of astronomical objects in the sky at a given time or times. Historically, positions were given as printed tables of values, given at …

Ephemeris, table giving the positions of one or more celestial bodies, often published with supplementary information. Ephemerides were constructed as early as the 4th century bc and are …

The meaning of EPHEMERIS is a tabular statement of the assigned places of a celestial body for regular intervals.

An ephemeris is a tabulation of computed positions and velocities (and/or various derived quantities such as right ascension and declination) of an orbiting body at specific times. The plural form of …