Kepler-821
Kepler-821 b
Rank #3943 of the ranked catalogue · Discovered by Transit in 2016
HZ 0%inferred
0.080
Earth-2.0 index
0.216
Earth Similarity Index
0%
Habitable-zone probability
1.31 R⊕
Radius
Planet
Mass2.270 M⊕inferred
Bulk density5.550 g/cm³
Orbital period1.9228 days
Semi-major axis0.02900 au
Eccentricity0.000
Incident flux496.820 S⊕
Equilibrium temperature1200.1 K
Transit-time σ at 203027.4 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.05 masReflected-light contrast 3.54e-7 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources6 · 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-821
Spectral typeK
Effective temperature5191 K
Radius0.800 R☉
Mass0.840 M☉
Distance614.6 pc / 2004.5 ly
DiscoveryTransit, 2016