Finding Earth 2.0
XO-5 · G8 V

XO-5 b

Rank #4655 of the ranked catalogue · Discovered by Transit in 2008

HZ 0%measured

0.072

Earth-2.0 index

0.111

Earth Similarity Index

0%

Habitable-zone probability

12.78 R⊕

Radius

Planet

Mass378.200 M⊕measured
Bulk density1.060 g/cm³
Orbital period4.1878 days
Semi-major axis0.05150 au
Eccentricity0.000
Incident flux397.480 S⊕
Equilibrium temperature1135.0 K
Transit-time σ at 20301.2 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.19 masReflected-light contrast 1.07e-5 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 coverage92%0% median composite-to-default difference over shared parameters.

Host star & system

HostXO-5
Spectral typeG8 V
Effective temperature5430 K
Radius1.130 R☉
Mass1.040 M☉
Distance276.2 pc / 900.9 ly
DiscoveryTransit, 2008