XO-2 S · G8 V
XO-2 S b
Rank #4045 of the ranked catalogue · Discovered by Radial Velocity in 2014
HZ 0%M sin i
0.079
Earth-2.0 index
0.178
Earth Similarity Index
0%
Habitable-zone probability
10.90 R⊕
Radius
Planet
Mass82.635 M⊕M sin i
Bulk density0.351 g/cm³
Orbital period18.2200 days
Semi-major axis0.13470 au
Eccentricity0.150
Incident flux41.519 S⊕
Equilibrium temperature645.2 K
Maximum angular separation0.89 masReflected-light contrast 1.14e-6 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources5 · 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
HostXO-2 S
Spectral typeG8 V
Effective temperature5325 K
Radius1.020 R☉
Mass0.980 M☉
Distance151.4 pc / 493.8 ly
DiscoveryRadial Velocity, 2014