K2-172
K2-172 c
Discovered by Transit in 2018
unknowninferred
—
Earth-2.0 index
—
Earth Similarity Index
—
Habitable-zone probability
3.21 R⊕
Radius
Planet
Mass10.400 M⊕inferred
Bulk density1.730 g/cm³
Orbital period29.6268 days
Semi-major axis— au
Eccentricity—
Incident flux— S⊕
Equilibrium temperature— K
Transit-time σ at 2030430.4 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.73 masReflected-light contrast 5.32e-8 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 coverage75%0% median composite-to-default difference over shared parameters.
Host star & system
HostK2-172
Spectral typeG
Effective temperature5569 K
Radius0.869 R☉
Mass0.934 M☉
Distance249.7 pc / 814.5 ly
DiscoveryTransit, 2018