Last Update: December 21, 2023

Version 3.1 is now available.

Sun Moon Planets Simulation is a free program that uses astronomical algorithms to solve basic equations in celestial mechanics. The program simulates the orbital motion of the planets (Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune) around the Sun. The planetary motion is solved for any selected day(s) and then the data is put into a set of tables for observational applications.

The tables of solar system data include:

Sun - Rise, Transit, Set Times; Ephemeris; Solar Eclipses

Moon - Rise, Transit, Set Times; Ephemeris; Moon Phases; Lunar Eclipses

Planets - Rise, Transit, Set Times; Ephemeris; Phenomena; Equinox and Solstice Dates

Rationale:
I have taught solar system astronomy for many years, so I decided to develop a Windows based simulation software called Sun Moon Planets Simulation. This program is intended for educational use and amateur solar system observations. It is free to anyone with an interest in astronomy.

I wish to acknowledge Jean Meeus and his book Astronomical Algorithms, PJ Naughter for his coding insights, also, Oliver Montenbruck and Thomas Pfleger's book Astronomy on the Personal Computer.

This program requires 64 Bit Windows (7 or later).

Typical opening screen of the program.

Sky View of planets.

Solar Eclipse Table and Path.

Ecliptic View - Path of Sun.

Lunar Calendar.

A PDF version of the Quick Guide is available. Download Quick Guide.



Contact: I welcome your constructive comments on this program. If you find any errors in the data or if you have suggestions for further development please email them to me at dgarner@astrotables.com.


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