K2-4
K2-4 b
Rank #1064 of the ranked catalogue · Discovered by Transit in 2015
HZ 0%inferred
0.105
Earth-2.0 index
0.466
Earth Similarity Index
0%
Habitable-zone probability
2.10 R⊕
Radius
Planet
Mass5.060 M⊕inferred
Bulk density3.000 g/cm³
Orbital period10.0034 days
Semi-major axis0.07800 au
Eccentricity0.080
Incident flux15.600 S⊕
Equilibrium temperature505.2 K
Transit-time σ at 2030833.3 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.34 masReflected-light contrast 1.26e-7 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
HostK2-4
Spectral typeK
Effective temperature4015 K
Radius0.569 R☉
Mass0.635 M☉
Distance231.8 pc / 756.1 ly
DiscoveryTransit, 2015