Finding Earth 2.0
Kepler-256

Kepler-256 d

Rank #4076 of the ranked catalogue · Discovered by Transit in 2014

HZ 0%inferred

0.079

Earth-2.0 index

0.221

Earth Similarity Index

0%

Habitable-zone probability

2.48 R⊕

Radius

Planet

Mass6.710 M⊕inferred
Bulk density2.420 g/cm³
Orbital period5.8392 days
Semi-major axis0.06400 au
Eccentricity0.000
Incident flux221.100 S⊕
Equilibrium temperature980.2 K
Transit-time σ at 203057.8 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.06 masReflected-light contrast 2.61e-7 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources7 · 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-256
Spectral typeG
Effective temperature5551 K
Radius1.301 R☉
Mass1.037 M☉
Distance1026.4 pc / 3347.8 ly
DiscoveryTransit, 2014