Finding Earth 2.0
HAT-P-22 · G5 V

HAT-P-22 b

Rank #4305 of the ranked catalogue · Discovered by Transit in 2010

HZ 0%measured

0.076

Earth-2.0 index

0.129

Earth Similarity Index

0%

Habitable-zone probability

12.89 R⊕

Radius

Planet

Mass785.040 M⊕measured
Bulk density2.140 g/cm³
Orbital period3.2122 days
Semi-major axis0.04140 au
Eccentricity0.020
Incident flux325.569 S⊕
Equilibrium temperature1079.8 K
Transit-time σ at 203017.1 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.51 masReflected-light contrast 1.68e-5 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources6 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage67%0% median composite-to-default difference over shared parameters.

Host star & system

HostHAT-P-22
Spectral typeG5 V
Effective temperature5302 K
Radius1.110 R☉
Mass1.130 M☉
Distance81.8 pc / 266.7 ly
DiscoveryTransit, 2010