Finding Earth 2.0
Kepler-28 · M0 V

Kepler-28 c

Rank #932 of the ranked catalogue · Discovered by Transit in 2011

HZ 0%measured

0.107

Earth-2.0 index

0.365

Earth Similarity Index

0%

Habitable-zone probability

1.86 R⊕

Radius

Planet

Mass2.060 M⊕measured
Bulk density1.764 g/cm³
Orbital period8.9900 days
Semi-major axis0.07519 au
Eccentricity0.017
Incident flux35.898 S⊕
Equilibrium temperature622.2 K
Maximum angular separation0.17 masReflected-light contrast 1.06e-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 coverage75%0% median composite-to-default difference over shared parameters.

Host star & system

HostKepler-28
Spectral typeM0 V
Effective temperature4499 K
Radius0.664 R☉
Mass0.684 M☉
Distance438.4 pc / 1429.7 ly
DiscoveryTransit, 2011