Planetary Programs and Tables -4000 to +2800

By Bretagnon and Simon with Foreword by Meeus. Product Information: 8.50" by 11.00", 165 pages, softbound, (see below for magnetic versions). The tables and computer programs detailed in PlanetaryPrograms and Tables From -4000 to +2800 allow the computation of the positions of the Sun, and 7 planets with a precision better than 0.01 degree over the period -4000, +2000 for Mercury, Venus, Mars, Jupiter and Saturn and +1600 to +2800 for Uranus and Neptune.Until now, the astronomical tables covering large historic and prehistoric periods give the geocentric positions of the planets for equidistant dates. As an example, the tables of B. Tuckerman give the positions of the Sun and planets at 5-(Mercury, Venus) or 10-day (Sun, Mars, Jupiter and Saturn) intervals over the -600 to +1649. Coordinates are the longitude of the Sun, the geocentric longitudes and the geocentric latitudes of the planets. Such tables, over the entire period from -4000 to +2600 would include over 3,700,000 numbers and