Earth's Trojan Asteroids
Simulates Earth with its known Trojan asteroids, including 2010 TK7 and 2020 XL5, librating around the L4 and L5 Lagrange points 60 degrees ahead of and behind Earth.
All Scenarios
Browse every interactive 3D gravity simulation — from NASA exoplanet systems and JPL Horizons Solar System models to n-body choreographies, spacecraft trajectories, and hypothetical what-if experiments. All run on Newtonian n-body physics.
Earth–Mars Hohmann Transfer
Simulates a minimum-delta-v Hohmann transfer from Earth to Mars: a half-ellipse coast of about 241 days, tangent to both planetary orbits.
Earth–Moon System with Mimas as a Submoon
Simulates Mimas as a submoon of our Moon at 7,500 km — well inside the lunar Hill sphere — while the Earth–Moon pair continues its real path around the Sun.
Eris and Dysnomia
Simulates dwarf planet Eris and its moon Dysnomia in the scattered disc at about 68 AU. Dysnomia’s 37,000 km orbit is the clock used to measure Eris’s mass.
FU Tau - System
Simulates FU Tau, a cool M-dwarf of 0.05 solar masses, and FU Tau b, a 16.0-Jupiter-mass companion, at 800 AU from its star, and an equilibrium temperature near 2,375 K.
Five-Planet Nice Model Initial Conditions
Simulates the five-planet Nice model: Jupiter, Saturn, and three ice giants in a compact resonance chain at 5.5–20 AU plus a planetesimal disk from 24 to 30 AU.
Forming Solar System with Twelve Protoplanets
Simulates twelve protoplanets between 1 and 10 AU around a Sun-like star, embedded in 400,000 debris particles — oligarchic growth with scattering, collisions, and accretion.
Four Corners
Simulates a five-body choreography with four masses at the corners of a square, each on a small elliptical loop, while a fifth body keeps the periodic square from collapsing.
Four Rocky Planets, One Orbit
Simulates Mercury, Venus, Earth, and Mars forced onto one shared 1 AU circle, 90° apart, while the giant planets stay in their real 2025 orbits — a co-orbital stress test.
G 192-15 - System
Simulates G 192-15, a cool M-dwarf of 0.13 solar masses, and G 192-15 b, a 1.0-Earth-mass planet, with an orbital period of 2.3 days, at 0.017 AU from its star, and an equilibrium temperature near 454 K.
G 196-3 - System
Simulates G 196-3, a cool M-dwarf of 0.52 solar masses, and G 196-3 b, a 26.0-Jupiter-mass companion, at 350 AU from its star, and an equilibrium temperature near 1,670 K.
G 261-6 - System
Simulates G 261-6, a cool M-dwarf of 0.12 solar masses, and G 261-6 b, a 1.4-Earth-mass planet, with an orbital period of 5.5 days, at 0.030 AU from its star, and an equilibrium temperature near 322 K.
G 264-012 - System
Simulates G 264-012, a cool M-dwarf of 0.30 solar masses, and G 264-012 b, a 2.5-Earth-mass planet, with an orbital period of 2.3 days, at 0.023 AU from its star, and an equilibrium temperature near 587 K.
G 268-110 - System
Simulates G 268-110, a cool M-dwarf of 0.14 solar masses, and G 268-110 b, a 1.5-Earth-mass planet, with an orbital period of 1.4 days, at 0.013 AU from its star, and an equilibrium temperature near 534 K.
G 9-40 - System
Simulates G 9-40, a cool M-dwarf of 0.30 solar masses, and G 9-40 b, a 4.0-Earth-mass planet, with an orbital period of 5.7 days, at 0.042 AU from its star, and an equilibrium temperature near 441 K.
GJ 1002 - System
Simulates GJ 1002, a nearby quiet red dwarf with two Earth-mass planets in the habitable zone, among the closest temperate worlds known. Both planets were found by radial-velocity monitoring.
GJ 1061 - System
Simulates GJ 1061, a cool M-dwarf of 0.12 solar masses, and GJ 1061 b, a 1.1-Earth-mass planet, with an orbital period of 3.2 days, at 0.021 AU from its star.
GJ 1132 - System
Simulates GJ 1132 b, a nearby rocky planet that may have lost and then rebuilt an atmosphere. It is a key JWST target for secondary atmospheres. The red dwarf is only about 41 light-years from the Sun.