The following simulations are examples of particular objects (asteroids, comets) in the solar system whose motion under the influence of gravity is in some way interesting or unusual.
Asteroid 2004 FH simulates the very close encounter of Asteroid 2004 FH with the Earth on 18th March 2004.
Asteroid Toutatis simulates the close encounter of Asteroid Toutatis with the Earth on 29th September 2004.
Comet Shoemaker-Levy 9 simulates the well-known collision of Comet Shoemaker-Levy 9 with the planet Jupiter.
Earth's Quasi-Moons simulates three asteroids which orbit the Sun whilst occasionally spending periods circling the Earth.
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