K2-89
K2-89 b
Rank #2552 of the ranked catalogue · Discovered by Transit in 2016
HZ 0%inferred
0.091
Earth-2.0 index
0.327
Earth Similarity Index
0%
Habitable-zone probability
0.61 R⊕
Radius
Planet
Mass0.170 M⊕inferred
Bulk density4.020 g/cm³
Orbital period1.0960 days
Semi-major axis0.01462 au
Eccentricity0.150
Incident flux78.000 S⊕
Equilibrium temperature755.4 K
Transit-time σ at 2030464.3 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.17 masReflected-light contrast 3.07e-7 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 coverage67%0% median composite-to-default difference over shared parameters.
Host star & system
HostK2-89
Spectral typeM
Effective temperature3691 K
Radius0.318 R☉
Mass0.347 M☉
Distance86.0 pc / 280.6 ly
DiscoveryTransit, 2016