Finding Earth 2.0
XO-2 S · G8 V

XO-2 S d

Rank #3288 of the ranked catalogue · Discovered by Radial Velocity in 2024

HZ 0%M sin i

0.086

Earth-2.0 index

0.236

Earth Similarity Index

0%

Habitable-zone probability

13.00 R⊕

Radius

Planet

Mass1179.143 M⊕M sin i
Bulk density2.950 g/cm³
Orbital period4696.0000 days
Semi-major axis5.46000 au
Eccentricity0.091
Incident flux0.025 S⊕
Equilibrium temperature101.4 K
Maximum angular separation36.06 masReflected-light contrast 9.84e-10 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, 2024