HD 20868 - System
Simulates HD 20868, an orange K-type dwarf of 0.39 solar masses, and HD 20868 b, a 1.25-Jupiter-mass companion, with an orbital period of 1.04 years, at 0.950 AU from its star, on an eccentric orbit (e ≈ 0.75).
Exoplanets
1-Planet System
Systems with a single confirmed planet. Most are hot Jupiters or super-Earths on short-period orbits; others are distant giants found by radial velocity. A clean two-body laboratory for Keplerian motion around a real star.
HD 208897 - System
Simulates HD 208897, an orange K-type dwarf of 1.25 solar masses, and HD 208897 b, a 1.19-Jupiter-mass companion, with an orbital period of 358 days, at 1.063 AU from its star.
HD 209458 - System
Simulates HD 209458 b, nicknamed Osiris. It was the first transiting exoplanet and the first whose atmosphere was measured, including escaping hydrogen.
HD 210193 - System
Simulates HD 210193, a Sun-like G-type star of 1.04 solar masses, and HD 210193 b, a 0.48-Jupiter-mass companion, with an orbital period of 1.78 years, at 1.487 AU from its star, on an eccentric orbit (e ≈ 0.24).
HD 210277 - System
Simulates HD 210277, a Sun-like G-type star of 1.01 solar masses, and HD 210277 b, a 1.29-Jupiter-mass companion, with an orbital period of 1.21 years, at 1.130 AU from its star, on an eccentric orbit (e ≈ 0.48).
HD 210702 - System
Simulates HD 210702, an orange K-type dwarf of 1.33 solar masses, and HD 210702 b, a 1.51-Jupiter-mass companion, with an orbital period of 356 days, at 1.079 AU from its star, on an eccentric orbit (e ≈ 0.07).
HD 211403 - System
Simulates HD 211403, a Sun-like F-type star of 1.20 solar masses, and HD 211403 b, a 5.54-Jupiter-mass companion, with an orbital period of 224 days, at 0.768 AU from its star, and an equilibrium temperature near 380 K.
HD 211810 - System
Simulates HD 211810, a Sun-like G-type star of 1.03 solar masses, and HD 211810 b, a 0.67-Jupiter-mass companion, with an orbital period of 4.27 years, at 2.656 AU from its star, on an eccentric orbit (e ≈ 0.68).
HD 211970 - System
Simulates HD 211970, an orange K-type dwarf of 0.61 solar masses, and HD 211970 b, a 13.0-Earth-mass planet, with an orbital period of 25.2 days, at 0.143 AU from its star, on an eccentric orbit (e ≈ 0.15).
HD 212301 - System
Simulates HD 212301, a Sun-like F-type star of 1.55 solar masses, and HD 212301 b, a 0.51-Jupiter-mass companion, with an orbital period of 2.2 days, at 0.030 AU from its star.
HD 212771 - System
Simulates HD 212771, an orange K-type dwarf of 1.56 solar masses, and HD 212771 b, a 2.39-Jupiter-mass companion, with an orbital period of 1.04 years, at 1.190 AU from its star, on an eccentric orbit (e ≈ 0.08).
HD 213240 - System
Simulates HD 213240, a Sun-like G-type star of 1.57 solar masses, and HD 213240 b, a 5.58-Jupiter-mass companion, with an orbital period of 2.42 years, at 1.890 AU from its star, on an eccentric orbit (e ≈ 0.42).
HD 213472 - System
Simulates HD 213472, a Sun-like G-type star of 1.05 solar masses, and HD 213472 b, a 3.50-Jupiter-mass companion, with an orbital period of 46.5 years, at 13.0 AU from its star, on an eccentric orbit (e ≈ 0.53).
HD 213519 - System
Simulates HD 213519, a Sun-like G-type star of 1.05 solar masses, and HD 213519 b, a 9.2-Earth-mass planet, with an orbital period of 11.1 days, at 0.099 AU from its star, on an eccentric orbit (e ≈ 0.41).
HD 21411 - System
Simulates HD 21411, a Sun-like G-type star of 0.89 solar masses, and HD 21411 b, a 0.21-Jupiter-mass companion, with an orbital period of 84.3 days, at 0.362 AU from its star, on an eccentric orbit (e ≈ 0.40).
HD 214823 - System
Simulates HD 214823, a Sun-like F-type star of 1.11 solar masses, and HD 214823 b, a 18.6-Jupiter-mass companion, with an orbital period of 5.08 years, at 3.080 AU from its star, on an eccentric orbit (e ≈ 0.16).
HD 21520 - System
Simulates HD 21520, a Sun-like G-type star of 1.09 solar masses, and HD 21520 b, a 0.06-Jupiter-mass companion, with an orbital period of 25.1 days, at 0.173 AU from its star, and an equilibrium temperature near 637 K.
HD 216435 - System
Simulates HD 216435, a Sun-like G-type star of 1.30 solar masses, and HD 216435 b, a 1.26-Jupiter-mass companion, with an orbital period of 3.59 years, at 2.560 AU from its star, on an eccentric orbit (e ≈ 0.07).