Finding Earth 2.0
Kepler-231 · M1 V

Kepler-231 c

Rank #318 of the ranked catalogue · Discovered by Transit in 2014

HZ 0%measured

0.119

Earth-2.0 index

0.464

Earth Similarity Index

0%

Habitable-zone probability

1.93 R⊕

Radius

Planet

Mass24.100 M⊕measured
Bulk density0.970 g/cm³
Orbital period19.2716 days
Semi-major axis0.11400 au
Eccentricity0.000
Incident flux6.267 S⊕
Equilibrium temperature402.2 K
Transit-time σ at 203055.5 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.36 masReflected-light contrast 4.98e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources10 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage50%0% median composite-to-default difference over shared parameters.

Host star & system

HostKepler-231
Spectral typeM1 V
Effective temperature3767 K
Radius0.490 R☉
Mass0.580 M☉
Distance316.6 pc / 1032.7 ly
DiscoveryTransit, 2014