Planetary Ephemerides

Planetary Ephemerides implements a series of functions for astronomy that may be call from Microsoft Office Excel by any user if it is installed on his computer and for low-level users from any program that admit DLL functions call.   It gives ephemerides of Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune using VSOP87 solutions, for the Moon using ELP82 solutions and also for Pluto. It also include a lot of useful functions like Nutation, Obliquity, Greenwich Sidereal Time, Local Sidereal Time, Precession, etc. Planetary Ephemerides  is a handy DLL library that will enable you to get ephemerides of planets using VSOP87 solutions.