HD 171238 · G8 V
HD 171238 b
Rank #1338 of the ranked catalogue · Discovered by Radial Velocity in 2009
HZ 0%measured
0.102
Earth-2.0 index
0.316
Earth Similarity Index
0%
Habitable-zone probability
12.50 R⊕
Radius
Planet
Mass2796.890 M⊕measured
Bulk density7.870 g/cm³
Orbital period1515.0000 days
Semi-major axis2.51800 au
Eccentricity0.358
Incident flux0.099 S⊕
Equilibrium temperature142.5 K
Maximum angular separation56.19 masReflected-light contrast 4.28e-9 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources5 · 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 171238
Spectral typeG8 V
Effective temperature5467 K
Radius1.010 R☉
Mass0.920 M☉
Distance44.8 pc / 146.2 ly
DiscoveryRadial Velocity, 2009