Finding Earth 2.0
Kepler-221

Kepler-221 c

Rank #2134 of the ranked catalogue · Discovered by Transit in 2014

HZ 0%measured

0.095

Earth-2.0 index

0.249

Earth Similarity Index

0%

Habitable-zone probability

2.93 R⊕

Radius

Planet

Mass9.300 M⊕measured
Bulk density1.940 g/cm³
Orbital period5.6906 days
Semi-major axis0.05900 au
Eccentricity0.000
Incident flux119.836 S⊕
Equilibrium temperature841.0 K
Transit-time σ at 20307.6 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.15 masReflected-light contrast 4.28e-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-221
Spectral typeG
Effective temperature5243 K
Radius0.821 R☉
Mass0.854 M☉
Distance385.2 pc / 1256.5 ly
DiscoveryTransit, 2014