TOI-159 · F0 V
TOI-159 b
Rank #5403 of the ranked catalogue · Discovered by Transit in 2026
HZ 0% ⚠measured
0.059
Earth-2.0 index
0.065
Earth Similarity Index
0%
Habitable-zone probability
18.18 R⊕
Radius
Planet
Mass1110.000 M⊕measured
Bulk density1.020 g/cm³
Orbital period3.7628 days
Semi-major axis0.05600 au
Eccentricity0.240
Incident flux1797.827 S⊕
Equilibrium temperature1655.2 K
Transit-time σ at 20300.4 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.16 masReflected-light contrast 1.83e-5 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources3 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage92%0% median composite-to-default difference over shared parameters.
Host star & system
HostTOI-159
Spectral typeF0 V
Effective temperature7287 K
Radius1.620 R☉
Mass1.661 M☉
Distance347.6 pc / 1133.7 ly
DiscoveryTransit, 2026