WASP-21 · G3 V
WASP-21 b
Rank #5216 of the ranked catalogue · Discovered by Transit in 2010
HZ 0%measured
0.064
Earth-2.0 index
0.078
Earth Similarity Index
0%
Habitable-zone probability
11.99 R⊕
Radius
Planet
Mass95.345 M⊕measured
Bulk density0.320 g/cm³
Orbital period4.3225 days
Semi-major axis0.05200 au
Eccentricity0.000
Incident flux705.044 S⊕
Equilibrium temperature1309.8 K
Transit-time σ at 203062.1 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.20 masReflected-light contrast 9.23e-6 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources7 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage58%0% median composite-to-default difference over shared parameters.
Host star & system
HostWASP-21
Spectral typeG3 V
Effective temperature5800 K
Radius1.060 R☉
Mass1.010 M☉
Distance258.4 pc / 842.9 ly
DiscoveryTransit, 2010