K2-238 · G2 V
K2-238 b
Rank #5336 of the ranked catalogue · Discovered by Transit in 2018
HZ 0%measured
0.061
Earth-2.0 index
0.071
Earth Similarity Index
0%
Habitable-zone probability
14.57 R⊕
Radius
Planet
Mass273.334 M⊕measured
Bulk density0.560 g/cm³
Orbital period3.2047 days
Semi-major axis0.04600 au
Eccentricity0.000
Incident flux1082.641 S⊕
Equilibrium temperature1458.1 K
Transit-time σ at 203064.2 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.09 masReflected-light contrast 1.74e-5 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources3 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage92%0% median composite-to-default difference over shared parameters.
Host star & system
HostK2-238
Spectral typeG2 V
Effective temperature5630 K
Radius1.590 R☉
Mass1.190 M☉
Distance538.0 pc / 1754.6 ly
DiscoveryTransit, 2018