Product Description : The American Ephemeris for the 21st Century 2000-2050 at Midnight No astrologers library can be complete without the ephemeris with the latest data from NASAs Jet Propulsion Laboratory The American Ephemeris by ACS is the most accurate ephemeris in the world today In addition to planetary positions for every day from 2000 through 2050 it includes a wealth of data solar and lunar eclipses aspectarian of Jupiter though Pluto Chiron Synetic Vernal Point Moon phases and more ( it is an used product)