Gaia-2
Gaia-2 b
Rank #5103 of the ranked catalogue · Discovered by Transit in 2022
HZ 0%measured
0.066
Earth-2.0 index
0.086
Earth Similarity Index
0%
Habitable-zone probability
14.82 R⊕
Radius
Planet
Mass259.666 M⊕measured
Bulk density0.439 g/cm³
Orbital period3.6915 days
Semi-major axis0.04670 au
Eccentricity—
Incident flux512.024 S⊕
Equilibrium temperature1209.2 K
Transit-time σ at 20305.6 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.22 masReflected-light contrast 1.75e-5 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 coverage73%0% median composite-to-default difference over shared parameters.
Host star & system
HostGaia-2
Spectral typeG
Effective temperature5720 K
Radius1.064 R☉
Mass1.000 M☉
Distance209.2 pc / 682.4 ly
DiscoveryTransit, 2022