Kepler-421 · G9/K0
Kepler-421 b
Rank #1013 of the ranked catalogue · Discovered by Transit in 2014
HZ 0%inferred
0.106
Earth-2.0 index
0.457
Earth Similarity Index
0%
Habitable-zone probability
4.16 R⊕
Radius
Planet
Mass16.100 M⊕inferred
Bulk density1.230 g/cm³
Orbital period704.1984 days
Semi-major axis1.21900 au
Eccentricity0.041
Incident flux0.200 S⊕
Equilibrium temperature170.0 K
Transit-time σ at 203023.1 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation3.50 masReflected-light contrast 2.02e-9 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources4 · 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-421
Spectral typeG9/K0
Effective temperature5308 K
Radius0.757 R☉
Mass0.794 M☉
Distance348.6 pc / 1136.8 ly
DiscoveryTransit, 2014