Finding Earth 2.0
Kepler-258

Kepler-258 b

Rank #3141 of the ranked catalogue · Discovered by Transit in 2014

HZ 0%inferred

0.087

Earth-2.0 index

0.278

Earth Similarity Index

0%

Habitable-zone probability

4.06 R⊕

Radius

Planet

Mass15.500 M⊕inferred
Bulk density1.270 g/cm³
Orbital period13.1972 days
Semi-major axis0.10300 au
Eccentricity0.000
Incident flux27.791 S⊕
Equilibrium temperature583.6 K
Transit-time σ at 203015.6 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.18 masReflected-light contrast 2.70e-7 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 coverage50%0% median composite-to-default difference over shared parameters.

Host star & system

HostKepler-258
Spectral typeK
Effective temperature4942 K
Radius0.915 R☉
Mass0.820 M☉
Distance576.0 pc / 1878.6 ly
DiscoveryTransit, 2014