Finding Earth 2.0
KOI-12

KOI-12 b

Rank #4222 of the ranked catalogue · Discovered by Transit in 2015

HZ 0%measured

0.077

Earth-2.0 index

0.133

Earth Similarity Index

0%

Habitable-zone probability

13.79 R⊕

Radius

Planet

Mass349.613 M⊕measured
Bulk density0.733 g/cm³
Orbital period17.8552 days
Semi-major axis0.15400 au
Eccentricity0.340
Incident flux196.507 S⊕
Equilibrium temperature951.7 K
Transit-time σ at 20304.8 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.39 masReflected-light contrast 1.39e-6 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources8 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage67%0% median composite-to-default difference over shared parameters.

Host star & system

HostKOI-12
Spectral typeF
Effective temperature6635 K
Radius1.400 R☉
Mass1.500 M☉
Distance399.4 pc / 1302.7 ly
DiscoveryTransit, 2015