Kepler-121
Kepler-121 c
Rank #1140 of the ranked catalogue · Discovered by Transit in 2014
HZ 0%inferred
0.104
Earth-2.0 index
0.472
Earth Similarity Index
0%
Habitable-zone probability
2.27 R⊕
Radius
Planet
Mass5.770 M⊕inferred
Bulk density2.710 g/cm³
Orbital period41.0080 days
Semi-major axis0.21600 au
Eccentricity0.000
Incident flux7.296 S⊕
Equilibrium temperature417.8 K
Transit-time σ at 203050.5 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.42 masReflected-light contrast 1.92e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources8 · 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-121
Spectral typeG
Effective temperature5311 K
Radius0.701 R☉
Mass0.859 M☉
Distance510.5 pc / 1665.1 ly
DiscoveryTransit, 2014