K2-17 · K7
K2-17 b
Rank #390 of the ranked catalogue · Discovered by Transit in 2015
HZ 0%inferred
0.117
Earth-2.0 index
0.594
Earth Similarity Index
0%
Habitable-zone probability
2.23 R⊕
Radius
Planet
Mass5.600 M⊕inferred
Bulk density2.770 g/cm³
Orbital period17.9675 days
Semi-major axis0.11900 au
Eccentricity0.180
Incident flux4.910 S⊕
Equilibrium temperature378.4 K
Transit-time σ at 2030691.7 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.95 masReflected-light contrast 6.10e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources6 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage67%0% median composite-to-default difference over shared parameters.
Host star & system
HostK2-17
Spectral typeK7
Effective temperature4320 K
Radius0.660 R☉
Mass0.710 M☉
Distance125.1 pc / 408.0 ly
DiscoveryTransit, 2015