K2-31 · G7 V
K2-31 b
Rank #5133 of the ranked catalogue · Discovered by Transit in 2016
HZ 0%measured
0.065
Earth-2.0 index
0.086
Earth Similarity Index
0%
Habitable-zone probability
11.88 R⊕
Radius
Planet
Mass563.830 M⊕measured
Bulk density0.032 g/cm³
Orbital period1.2578 days
Semi-major axis0.02200 au
Eccentricity0.000
Incident flux1272.000 S⊕
Equilibrium temperature1518.1 K
Transit-time σ at 203012.2 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.20 masReflected-light contrast 5.06e-5 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 coverage75%0% median composite-to-default difference over shared parameters.
Host star & system
HostK2-31
Spectral typeG7 V
Effective temperature5280 K
Radius0.780 R☉
Mass0.910 M☉
Distance110.5 pc / 360.5 ly
DiscoveryTransit, 2016