Finding Earth 2.0
HD 149026 · G0

HD 149026 b

Rank #4959 of the ranked catalogue · Discovered by Radial Velocity in 2005

HZ 0%measured

0.068

Earth-2.0 index

0.095

Earth Similarity Index

0%

Habitable-zone probability

8.29 R⊕

Radius

Planet

Mass120.775 M⊕measured
Bulk density0.750 g/cm³
Orbital period2.8759 days
Semi-major axis0.04364 au
Eccentricity0.000
Incident flux1095.910 S⊕
Equilibrium temperature1462.5 K
Transit-time σ at 20305.3 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.57 masReflected-light contrast 6.27e-6 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

HostHD 149026
Spectral typeG0
Effective temperature6179 K
Radius1.410 R☉
Mass1.420 M☉
Distance75.9 pc / 247.4 ly
DiscoveryRadial Velocity, 2005