Finding Earth 2.0
HD 149143 · G0

HD 149143 b

Rank #5320 of the ranked catalogue · Discovered by Radial Velocity in 2005

HZ 0%M sin i

0.061

Earth-2.0 index

0.088

Earth Similarity Index

0%

Habitable-zone probability

13.60 R⊕

Radius

Planet

Mass422.714 M⊕M sin i
Bulk density0.923 g/cm³
Orbital period4.0718 days
Semi-major axis0.05300 au
Eccentricity0.017
Incident flux796.981 S⊕
Equilibrium temperature1350.6 K
Maximum angular separation0.72 masReflected-light contrast 1.14e-5 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources3 · 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 149143
Spectral typeG0
Effective temperature5856 K
Radius1.440 R☉
Mass1.200 M☉
Distance73.3 pc / 239.0 ly
DiscoveryRadial Velocity, 2005