Finding Earth 2.0
HD 211970 · K7 V

HD 211970 b

Rank #627 of the ranked catalogue · Discovered by Radial Velocity in 2019

HZ 0%M sin i

0.112

Earth-2.0 index

0.501

Earth Similarity Index

0%

Habitable-zone probability

3.66 R⊕

Radius

Planet

Mass13.000 M⊕M sin i
Bulk density1.460 g/cm³
Orbital period25.2010 days
Semi-major axis0.14300 au
Eccentricity0.150
Incident flux4.213 S⊕
Equilibrium temperature364.2 K
Maximum angular separation10.89 masReflected-light contrast 1.14e-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 coverage58%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 211970
Spectral typeK7 V
Effective temperature4127 K
Radius0.574 R☉
Mass0.610 M☉
Distance13.1 pc / 42.8 ly
DiscoveryRadial Velocity, 2019