Finding Earth 2.0
HD 191939 · G9 V

HD 191939 f

Rank #2636 of the ranked catalogue · Discovered by Radial Velocity in 2022

HZ 0%M sin i

0.091

Earth-2.0 index

0.264

Earth Similarity Index

0%

Habitable-zone probability

13.20 R⊕

Radius

Planet

Mass915.346 M⊕M sin i
Bulk density2.190 g/cm³
Orbital period2898.0000 days
Semi-major axis3.71000 au
Eccentricity0.000
Incident flux0.047 S⊕
Equilibrium temperature118.5 K
Maximum angular separation69.20 masReflected-light contrast 2.20e-9 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources5 · 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 191939
Spectral typeG9 V
Effective temperature5348 K
Radius0.940 R☉
Mass0.810 M☉
Distance53.6 pc / 174.8 ly
DiscoveryRadial Velocity, 2022