Finding Earth 2.0
HD 90156 · G5V

HD 90156 b

Rank #1403 of the ranked catalogue · Discovered by Radial Velocity in 2011

HZ 0%M sin i

0.102

Earth-2.0 index

0.371

Earth Similarity Index

0%

Habitable-zone probability

4.43 R⊕

Radius

Planet

Mass17.980 M⊕M sin i
Bulk density1.140 g/cm³
Orbital period49.7700 days
Semi-major axis0.25000 au
Eccentricity0.310
Incident flux11.520 S⊕
Equilibrium temperature468.3 K
Maximum angular separation11.39 masReflected-light contrast 5.45e-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 coverage58%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 90156
Spectral typeG5V
Effective temperature5599 K
Radius0.920 R☉
Mass0.840 M☉
Distance21.9 pc / 71.6 ly
DiscoveryRadial Velocity, 2011