Qatar-8 · G0 V
Qatar-8 b
Rank #5310 of the ranked catalogue · Discovered by Transit in 2019
HZ 0%measured
0.062
Earth-2.0 index
0.070
Earth Similarity Index
0%
Habitable-zone probability
14.40 R⊕
Radius
Planet
Mass117.915 M⊕measured
Bulk density0.216 g/cm³
Orbital period3.7149 days
Semi-major axis0.04740 au
Eccentricity0.000
Incident flux698.148 S⊕
Equilibrium temperature1306.6 K
Transit-time σ at 20301663.2 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.17 masReflected-light contrast 1.60e-5 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 coverage92%0% median composite-to-default difference over shared parameters.
Host star & system
HostQatar-8
Spectral typeG0 V
Effective temperature5738 K
Radius1.315 R☉
Mass1.029 M☉
Distance281.5 pc / 918.1 ly
DiscoveryTransit, 2019