HD 28109 · F8
HD 28109 d
Rank #1632 of the ranked catalogue · Discovered by Transit in 2022
HZ 0%upper limit
0.099
Earth-2.0 index
0.359
Earth Similarity Index
0%
Habitable-zone probability
3.11 R⊕
Radius
Planet
Mass5.800 M⊕upper limit
Bulk density1.100 g/cm³
Orbital period84.2899 days
Semi-major axis0.41100 au
Eccentricity0.005
Incident flux17.375 S⊕
Equilibrium temperature519.0 K
Transit-time σ at 2030127.6 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation2.94 masReflected-light contrast 9.94e-9 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources4 · 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
HostHD 28109
Spectral typeF8
Effective temperature6189 K
Radius1.425 R☉
Mass1.227 M☉
Distance139.6 pc / 455.3 ly
DiscoveryTransit, 2022