HD 109988
HD 109988 b
Rank #4986 of the ranked catalogue · Discovered by Radial Velocity in 2022
HZ 0%measured
0.068
Earth-2.0 index
0.102
Earth Similarity Index
0%
Habitable-zone probability
12.10 R⊕
Radius
Planet
Mass6935.334 M⊕measured
Bulk density21.500 g/cm³
Orbital period17132.1585 days
Semi-major axis12.51800 au
Eccentricity0.056
Incident flux0.003 S⊕
Equilibrium temperature60.0 K
Maximum angular separation294.35 masReflected-light contrast 1.62e-10 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources3 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage50%0% median composite-to-default difference over shared parameters.
Host star & system
HostHD 109988
Spectral typeK
Effective temperature5186 K
Radius0.870 R☉
Mass0.880 M☉
Distance42.5 pc / 138.7 ly
DiscoveryRadial Velocity, 2022