K2-203
K2-203 b
Rank #1351 of the ranked catalogue · Discovered by Transit in 2018
HZ 0%inferred
0.102
Earth-2.0 index
0.404
Earth Similarity Index
0%
Habitable-zone probability
1.27 R⊕
Radius
Planet
Mass2.140 M⊕inferred
Bulk density5.800 g/cm³
Orbital period9.6952 days
Semi-major axis0.08240 au
Eccentricity0.230
Incident flux49.634 S⊕
Equilibrium temperature674.7 K
Transit-time σ at 20301054.4 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.50 masReflected-light contrast 4.09e-8 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 coverage75%0% median composite-to-default difference over shared parameters.
Host star & system
HostK2-203
Spectral typeK
Effective temperature5026 K
Radius0.765 R☉
Mass0.793 M☉
Distance166.1 pc / 541.9 ly
DiscoveryTransit, 2018