Finding Earth 2.0
Kepler-397

Kepler-397 c

Rank #1078 of the ranked catalogue · Discovered by Transit in 2014

HZ 0%inferred

0.105

Earth-2.0 index

0.467

Earth Similarity Index

0%

Habitable-zone probability

6.18 R⊕

Radius

Planet

Mass31.600 M⊕inferred
Bulk density0.736 g/cm³
Orbital period135.4985 days
Semi-major axis0.48000 au
Eccentricity0.000
Incident flux1.800 S⊕
Equilibrium temperature294.4 K
Transit-time σ at 203053.0 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.49 masReflected-light contrast 2.88e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources5 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage42%0% median composite-to-default difference over shared parameters.

Host star & system

HostKepler-397
Spectral typeG
Effective temperature5307 K
Radius0.767 R☉
Mass0.844 M☉
Distance969.0 pc / 3160.5 ly
DiscoveryTransit, 2014