Finding Earth 2.0
Kepler-657

Kepler-657 b

Rank #3149 of the ranked catalogue · Discovered by Transit in 2016

HZ 0%inferred

0.087

Earth-2.0 index

0.272

Earth Similarity Index

0%

Habitable-zone probability

3.52 R⊕

Radius

Planet

Mass12.200 M⊕inferred
Bulk density1.540 g/cm³
Orbital period24.5435 days
Semi-major axis0.17337 au
Eccentricity0.000
Incident flux62.200 S⊕
Equilibrium temperature713.9 K
Transit-time σ at 203028.4 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.10 masReflected-light contrast 7.16e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources6 · 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-657
Spectral typeG
Effective temperature5808 K
Radius1.010 R☉
Mass1.010 M☉
Distance1691.9 pc / 5518.2 ly
DiscoveryTransit, 2016