HD 191939 · G9 V
HD 191939 b
Rank #2033 of the ranked catalogue · Discovered by Transit in 2020
HZ 0%measured
0.096
Earth-2.0 index
0.239
Earth Similarity Index
0%
Habitable-zone probability
3.41 R⊕
Radius
Planet
Mass10.000 M⊕measured
Bulk density1.400 g/cm³
Orbital period8.8803 days
Semi-major axis0.08040 au
Eccentricity0.031
Incident flux100.000 S⊕
Equilibrium temperature803.8 K
Transit-time σ at 20302.4 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation1.50 masReflected-light contrast 3.12e-7 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 coverage100%0% median composite-to-default difference over shared parameters.
Host star & system
HostHD 191939
Spectral typeG9 V
Effective temperature5348 K
Radius0.940 R☉
Mass0.810 M☉
Distance53.6 pc / 174.8 ly
DiscoveryTransit, 2020