Kepler-399
Kepler-399 d
Rank #1072 of the ranked catalogue · Discovered by Transit in 2014
HZ 0%inferred
0.105
Earth-2.0 index
0.514
Earth Similarity Index
0%
Habitable-zone probability
1.89 R⊕
Radius
Planet
Mass4.230 M⊕inferred
Bulk density3.440 g/cm³
Orbital period58.0346 days
Semi-major axis0.26100 au
Eccentricity0.000
Incident flux5.570 S⊕
Equilibrium temperature390.5 K
Transit-time σ at 203068.2 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.35 masReflected-light contrast 9.10e-9 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-399
Spectral typeG
Effective temperature5502 K
Radius0.680 R☉
Mass0.902 M☉
Distance740.5 pc / 2415.3 ly
DiscoveryTransit, 2014