Finding Earth 2.0
HD 191939 · G9 V

HD 191939 e

Rank #2328 of the ranked catalogue · Discovered by Radial Velocity in 2022

HZ 0%M sin i

0.093

Earth-2.0 index

0.279

Earth Similarity Index

0%

Habitable-zone probability

13.00 R⊕

Radius

Planet

Mass112.200 M⊕M sin i
Bulk density0.281 g/cm³
Orbital period101.1200 days
Semi-major axis0.40700 au
Eccentricity0.031
Incident flux3.900 S⊕
Equilibrium temperature357.2 K
Maximum angular separation7.59 masReflected-light contrast 1.77e-7 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 coverage83%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