Rotation of Sun and Planets
The rotation period of a large body circled by one or more satellites can be calculated theoretically.

Orrery: Solar System Simulator
A Java applet that simulates gravitating masses. Features a working model with motions and sizes of 70 planets and moons to scale.

Solar System Discoveries by JJ Kavelaars
References to minor planets and moons of planets that were discovered by JJ Kavelaars.

Solar System Dynamics
Web-based resources accompanying the book Solar System Dynamics, by Carl D. Murray and Stanley F. Dermott.

Exploring the Planets
Sponsored by the National Air and Space Museum, contains many interesting facts about the planets, pictures, comparisons and a section dedicated to spacecraft.

Aniket World
Personal page reporting basic features of the planets and some links.

Virtual Solar System
Images, facts and quizzes about the nine planets. Also includes a scale model.

Gazetteer of Planetary Nomenclature
Protocols for naming planetary features, by the Working Group for Planetary System Nomenclature of the International Astronomical Union.

Planets, Moons and Stars
Created by students for the Think Quest Junior competition, contains elementary information.

Solar System Worksheets
Math and logic problems, word searches and vocabulary worksheets.

More Solar System Sites