Finding Earth 2.0
HD 188641

HD 188641 b

Rank #3967 of the ranked catalogue · Discovered by Radial Velocity in 2022

HZ 0%measured

0.080

Earth-2.0 index

0.163

Earth Similarity Index

0%

Habitable-zone probability

11.90 R⊕

Radius

Planet

Mass9333.031 M⊕measured
Bulk density30.400 g/cm³
Orbital period14583.8104 days
Semi-major axis12.02700 au
Eccentricity0.034
Incident flux0.029 S⊕
Equilibrium temperature104.4 K
Maximum angular separation186.93 masReflected-light contrast 1.70e-10 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 coverage50%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 188641
Spectral typeG
Effective temperature5897 K
Radius1.945 R☉
Mass1.070 M☉
Distance64.3 pc / 209.8 ly
DiscoveryRadial Velocity, 2022