K2-129
K2-129 b
Rank #251 of the ranked catalogue · Discovered by Transit in 2017
HZ 0%inferred
0.122
Earth-2.0 index
0.723
Earth Similarity Index
0%
Habitable-zone probability
1.04 R⊕
Radius
Planet
Mass1.120 M⊕inferred
Bulk density5.470 g/cm³
Orbital period8.2395 days
Semi-major axis0.05700 au
Eccentricity0.130
Incident flux4.500 S⊕
Equilibrium temperature370.2 K
Transit-time σ at 2030263.6 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation2.05 masReflected-light contrast 5.78e-8 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 coverage75%0% median composite-to-default difference over shared parameters.
Host star & system
HostK2-129
Spectral typeM
Effective temperature3459 K
Radius0.360 R☉
Mass0.360 M☉
Distance27.8 pc / 90.7 ly
DiscoveryTransit, 2017