K2-253
K2-253 b
Discovered by Transit in 2018
HZ 0%no mass
—
Earth-2.0 index
—
Earth Similarity Index
0%
Habitable-zone probability
12.67 R⊕
Radius
Planet
Mass—no mass
Bulk density—
Orbital period4.0017 days
Semi-major axis0.05060 au
Eccentricity—
Incident flux365.818 S⊕
Equilibrium temperature1111.7 K
Transit-time σ at 2030230.1 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.06 masReflected-light contrast 1.09e-5 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources4 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage89%0% median composite-to-default difference over shared parameters.
Host star & system
HostK2-253
Spectral typeF
Effective temperature6027 K
Radius1.100 R☉
Mass1.080 M☉
Distance876.6 pc / 2859.0 ly
DiscoveryTransit, 2018