Finding Earth 2.0
HD 164922 · G9 V

HD 164922 d

Rank #1679 of the ranked catalogue · Discovered by Radial Velocity in 2020

HZ 0%M sin i

0.099

Earth-2.0 index

0.343

Earth Similarity Index

0%

Habitable-zone probability

1.83 R⊕

Radius

Planet

Mass4.000 M⊕M sin i
Bulk density3.590 g/cm³
Orbital period12.4580 days
Semi-major axis0.10300 au
Eccentricity0.120
Incident flux66.924 S⊕
Equilibrium temperature727.0 K
Maximum angular separation4.68 masReflected-light contrast 5.48e-8 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 164922
Spectral typeG9 V
Effective temperature5390 K
Radius0.946 R☉
Mass0.926 M☉
Distance22.0 pc / 71.8 ly
DiscoveryRadial Velocity, 2020