Finding Earth 2.0
Kepler-122

Kepler-122 d

Rank #2839 of the ranked catalogue · Discovered by Transit in 2014

HZ 0%inferred

0.089

Earth-2.0 index

0.308

Earth Similarity Index

0%

Habitable-zone probability

2.20 R⊕

Radius

Planet

Mass5.480 M⊕inferred
Bulk density2.830 g/cm³
Orbital period21.5875 days
Semi-major axis0.15500 au
Eccentricity0.000
Incident flux77.140 S⊕
Equilibrium temperature753.3 K
Transit-time σ at 203082.6 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.15 masReflected-light contrast 3.50e-8 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-122
Spectral typeF
Effective temperature6050 K
Radius1.216 R☉
Mass0.982 M☉
Distance1027.5 pc / 3351.1 ly
DiscoveryTransit, 2014