Finding Earth 2.0
Kepler-81 · M0 V

Kepler-81 c

Rank #423 of the ranked catalogue · Discovered by Transit in 2012

HZ 0%measured

0.116

Earth-2.0 index

0.425

Earth Similarity Index

0%

Habitable-zone probability

2.37 R⊕

Radius

Planet

Mass4.300 M⊕measured
Bulk density1.770 g/cm³
Orbital period12.0400 days
Semi-major axis0.08347 au
Eccentricity0.000
Incident flux15.620 S⊕
Equilibrium temperature505.3 K
Maximum angular separation0.24 masReflected-light contrast 1.40e-7 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources10 · 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-81
Spectral typeM0 V
Effective temperature4385 K
Radius0.590 R☉
Mass0.640 M☉
Distance348.3 pc / 1136.0 ly
DiscoveryTransit, 2012