Kepler-311
Kepler-311 d
Rank #287 of the ranked catalogue · Discovered by Transit in 2023
HZ 2%inferred
0.120
Earth-2.0 index
0.679
Earth Similarity Index
2%
Habitable-zone probability
2.05 R⊕
Radius
Planet
Mass4.860 M⊕inferred
Bulk density3.100 g/cm³
Orbital period232.0403 days
Semi-major axis0.73260 au
Eccentricity0.000
Incident flux2.710 S⊕
Equilibrium temperature326.1 K
Transit-time σ at 2030320.3 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.94 masReflected-light contrast 1.36e-9 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources5 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage83%0% median composite-to-default difference over shared parameters.
Host star & system
HostKepler-311
Spectral typeG
Effective temperature5903 K
Radius1.156 R☉
Mass0.974 M☉
Distance778.7 pc / 2539.6 ly
DiscoveryTransit, 2023