Qatar-9 · K5 V
Qatar-9 b
Rank #4058 of the ranked catalogue · Discovered by Transit in 2019
HZ 0%measured
0.079
Earth-2.0 index
0.145
Earth Similarity Index
0%
Habitable-zone probability
11.31 R⊕
Radius
Planet
Mass378.218 M⊕measured
Bulk density1.430 g/cm³
Orbital period1.5407 days
Semi-major axis0.02340 au
Eccentricity0.000
Incident flux210.669 S⊕
Equilibrium temperature968.4 K
Transit-time σ at 2030151.8 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.11 masReflected-light contrast 4.06e-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-9
Spectral typeK5 V
Effective temperature4309 K
Radius0.696 R☉
Mass0.719 M☉
Distance213.8 pc / 697.2 ly
DiscoveryTransit, 2019