HD 17156 · G5
HD 17156 b
Rank #2594 of the ranked catalogue · Discovered by Radial Velocity in 2007
HZ 0%measured
0.091
Earth-2.0 index
0.208
Earth Similarity Index
0%
Habitable-zone probability
12.26 R⊕
Radius
Planet
Mass1036.121 M⊕measured
Bulk density3.080 g/cm³
Orbital period21.2164 days
Semi-major axis0.16320 au
Eccentricity0.677
Incident flux68.800 S⊕
Equilibrium temperature732.1 K
Transit-time σ at 20301.6 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation2.09 masReflected-light contrast 9.80e-7 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources2 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage100%0% median composite-to-default difference over shared parameters.
Host star & system
HostHD 17156
Spectral typeG5
Effective temperature6046 K
Radius1.517 R☉
Mass1.285 M☉
Distance78.1 pc / 254.7 ly
DiscoveryRadial Velocity, 2007