XO-1 · G1 V
XO-1 b
Rank #4669 of the ranked catalogue · Discovered by Transit in 2006
HZ 0%measured
0.072
Earth-2.0 index
0.111
Earth Similarity Index
0%
Habitable-zone probability
12.78 R⊕
Radius
Planet
Mass263.799 M⊕measured
Bulk density0.640 g/cm³
Orbital period3.9415 days
Semi-major axis0.04880 au
Eccentricity0.000
Incident flux321.850 S⊕
Equilibrium temperature1076.7 K
Transit-time σ at 203070.2 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.30 masReflected-light contrast 1.19e-5 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 coverage67%0% median composite-to-default difference over shared parameters.
Host star & system
HostXO-1
Spectral typeG1 V
Effective temperature5750 K
Radius0.880 R☉
Mass0.880 M☉
Distance163.6 pc / 533.4 ly
DiscoveryTransit, 2006