HD 1397 · G5 III/IV
HD 1397 b
Rank #4747 of the ranked catalogue · Discovered by Transit in 2018
HZ 0%measured
0.071
Earth-2.0 index
0.104
Earth Similarity Index
0%
Habitable-zone probability
11.50 R⊕
Radius
Planet
Mass131.899 M⊕measured
Bulk density0.477 g/cm³
Orbital period11.5353 days
Semi-major axis0.10970 au
Eccentricity0.251
Incident flux356.000 S⊕
Equilibrium temperature1104.1 K
Transit-time σ at 2030417.0 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation1.38 masReflected-light contrast 1.91e-6 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 1397
Spectral typeG5 III/IV
Effective temperature5521 K
Radius2.336 R☉
Mass1.324 M☉
Distance79.6 pc / 259.5 ly
DiscoveryTransit, 2018