HN Lib · M4.0 V
HN Lib b
Rank #40 of the ranked catalogue · Discovered by Radial Velocity in 2023
HZ 100%M sin i
0.235
Earth-2.0 index
0.711
Earth Similarity Index
100%
Habitable-zone probability
2.20 R⊕
Radius
Planet
Mass5.460 M⊕M sin i
Bulk density2.820 g/cm³
Orbital period36.1160 days
Semi-major axis0.14170 au
Eccentricity0.079
Incident flux0.503 S⊕
Equilibrium temperature214.1 K
Maximum angular separation22.69 masReflected-light contrast 4.18e-8 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 coverage83%0% median composite-to-default difference over shared parameters.
Host star & system
HostHN Lib
Spectral typeM4.0 V
Effective temperature3347 K
Radius0.299 R☉
Mass0.291 M☉
Distance6.2 pc / 20.4 ly
DiscoveryRadial Velocity, 2023