Finding Earth 2.0
HD 153950 · F8 V

HD 153950 b

Rank #691 of the ranked catalogue · Discovered by Radial Velocity in 2008

HZ 1%M sin i

0.111

Earth-2.0 index

0.472

Earth Similarity Index

1%

Habitable-zone probability

13.20 R⊕

Radius

Planet

Mass937.598 M⊕M sin i
Bulk density2.240 g/cm³
Orbital period499.4000 days
Semi-major axis1.28000 au
Eccentricity0.340
Incident flux1.355 S⊕
Equilibrium temperature274.3 K
Maximum angular separation26.42 masReflected-light contrast 1.85e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources4 · 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 153950
Spectral typeF8 V
Effective temperature6124 K
Radius1.280 R☉
Mass1.250 M☉
Distance48.5 pc / 158.0 ly
DiscoveryRadial Velocity, 2008