8 UMi - System
Simulates 8 UMi, an orange K-type dwarf of 1.51 solar masses, and 8 UMi b, a 1.65-Jupiter-mass companion, with an orbital period of 93.3 days, at 0.462 AU from its star, on an eccentric orbit (e ≈ 0.06).
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.
81 Cet - System
Simulates 81 Cet, a Sun-like G-type star of 1.23 solar masses, and 81 Cet b, a 3.31-Jupiter-mass companion, with an orbital period of 2.75 years, at 2.104 AU from its star.
91 Aqr - System
Simulates 91 Aqr, an orange K-type dwarf of 1.40 solar masses, and 91 Aqr b, a 3.20-Jupiter-mass companion, with an orbital period of 181 days, at 0.700 AU from its star.
AB Aur - System
Simulates AB Aur, and AB Aur b, a 9.00-Jupiter-mass companion, at 93.9 AU from its star, on an eccentric orbit (e ≈ 0.40).
AB Pic - System
Simulates AB Pic, an orange K-type dwarf of 0.90 solar masses, and AB Pic b, a 13.5-Jupiter-mass companion, at 260 AU from its star.
AF Lep - System
Simulates AF Lep, a Sun-like F-type star of 1.22 solar masses, and AF Lep b, a 3.61-Jupiter-mass companion, with an orbital period of 24.4 years, at 8.996 AU from its star.
AT2021ueyL - System
Simulates AT2021ueyL, a cool M-dwarf of 0.49 solar masses, and AT2021ueyL b, a 1.34-Jupiter-mass companion, with an orbital period of 11.4 years, at 4.010 AU from its star.
AU Mic - System
Simulates AU Microscopii, a young nearby red dwarf still wrapped in a debris disk. Its transiting planets are puffy worlds that have barely finished forming.
Alpha Centauri
Simulates the Alpha Centauri A–B binary: 1.1 and 0.9 solar-mass stars on a 79.9-year, e = 0.52 orbit swinging between 11 and 36 AU, started at apastron.
Apollo 11 Free Return Trajectory
Simulates Apollo 11’s free-return translunar trajectory: Earth, Moon, and spacecraft on the figure-eight path that would swing the crew home without a major burn.
BD+03 2562 - System
Simulates BD+03 2562, an orange K-type dwarf of 1.14 solar masses, and BD+03 2562 b, a 6.40-Jupiter-mass companion, with an orbital period of 1.32 years, at 1.300 AU from its star, on an eccentric orbit (e ≈ 0.20).
BD+05 4868 A - System
Simulates BD+05 4868 A, an orange K-type dwarf of 0.70 solar masses, and BD+05 4868 A b, a 6.2-Earth-mass planet, with an orbital period of 1.3 days, at 0.021 AU from its star, and an equilibrium temperature near 1,820 K.
BD+14 4559 - System
Simulates BD+14 4559, an orange K-type dwarf of 0.49 solar masses, and BD+14 4559 b, a 1.04-Jupiter-mass companion, with an orbital period of 269 days, at 0.780 AU from its star, on an eccentric orbit (e ≈ 0.29).
BD+15 2375 - System
Simulates BD+15 2375, an orange K-type dwarf of 1.08 solar masses, and BD+15 2375 b, a 1.06-Jupiter-mass companion, with an orbital period of 153 days, at 0.576 AU from its star.
BD+15 2940 - System
Simulates BD+15 2940, an orange K-type dwarf of 1.10 solar masses, and BD+15 2940 b, a 1.11-Jupiter-mass companion, with an orbital period of 137 days, at 0.539 AU from its star, on an eccentric orbit (e ≈ 0.26).
BD+20 2457 - System
Simulates BD+20 2457, an orange K-type dwarf of 2.80 solar masses, and BD+20 2457 b, a 21.4-Jupiter-mass companion, with an orbital period of 1.04 years, at 1.450 AU from its star, on an eccentric orbit (e ≈ 0.15).
BD+20 274 - System
Simulates BD+20 274, an orange K-type dwarf of 0.80 solar masses, and BD+20 274 b, a 4.20-Jupiter-mass companion, with an orbital period of 1.58 years, at 1.300 AU from its star, on an eccentric orbit (e ≈ 0.21).
BD+20 594 - System
Simulates BD+20 594, a Sun-like G-type star of 1.67 solar masses, and BD+20 594 b, a 0.07-Jupiter-mass companion, with an orbital period of 41.7 days.