K2-12 · F9
K2-12 b
Rank #3361 of the ranked catalogue · Discovered by Transit in 2015
HZ 0%upper limit
0.085
Earth-2.0 index
0.228
Earth Similarity Index
0%
Habitable-zone probability
2.44 R⊕
Radius
Planet
Mass5.200 M⊕upper limit
Bulk density1.600 g/cm³
Orbital period8.2825 days
Semi-major axis0.07920 au
Eccentricity0.500
Incident flux185.000 S⊕
Equilibrium temperature937.5 K
Transit-time σ at 2030514.4 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.24 masReflected-light contrast 1.65e-7 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 coverage100%0% median composite-to-default difference over shared parameters.
Host star & system
HostK2-12
Spectral typeF9
Effective temperature5672 K
Radius1.117 R☉
Mass0.965 M☉
Distance326.4 pc / 1064.5 ly
DiscoveryTransit, 2015