Qatar-2
Qatar-2 b
Rank #4603 of the ranked catalogue · Discovered by Transit in 2011
HZ 0%measured
0.073
Earth-2.0 index
0.111
Earth Similarity Index
0%
Habitable-zone probability
14.06 R⊕
Radius
Planet
Mass792.635 M⊕measured
Bulk density1.573 g/cm³
Orbital period1.3371 days
Semi-major axis0.02153 au
Eccentricity0.000
Incident flux447.413 S⊕
Equilibrium temperature1169.1 K
Transit-time σ at 20301.9 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.12 masReflected-light contrast 7.40e-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 coverage92%0% median composite-to-default difference over shared parameters.
Host star & system
HostQatar-2
Spectral typeK
Effective temperature4645 K
Radius0.776 R☉
Mass0.743 M☉
Distance181.4 pc / 591.6 ly
DiscoveryTransit, 2011