HD 137388 · K2 IV
HD 137388 b
Rank #1563 of the ranked catalogue · Discovered by Radial Velocity in 2011
HZ 100%M sin i
0.100
Earth-2.0 index
0.387
Earth Similarity Index
100%
Habitable-zone probability
9.32 R⊕
Radius
Planet
Mass63.566 M⊕M sin i
Bulk density0.431 g/cm³
Orbital period330.0000 days
Semi-major axis0.89000 au
Eccentricity0.360
Incident flux0.581 S⊕
Equilibrium temperature221.9 K
Maximum angular separation21.98 masReflected-light contrast 1.90e-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 coverage67%0% median composite-to-default difference over shared parameters.
Host star & system
HostHD 137388
Spectral typeK2 IV
Effective temperature5181 K
Radius0.880 R☉
Mass0.680 M☉
Distance40.5 pc / 132.0 ly
DiscoveryRadial Velocity, 2011