Finding Earth 2.0
HD 206255 · G5 IV/V

HD 206255 b

Rank #2757 of the ranked catalogue · Discovered by Radial Velocity in 2019

HZ 0%M sin i

0.090

Earth-2.0 index

0.271

Earth Similarity Index

0%

Habitable-zone probability

6.47 R⊕

Radius

Planet

Mass34.200 M⊕M sin i
Bulk density0.694 g/cm³
Orbital period96.0450 days
Semi-major axis0.46100 au
Eccentricity0.230
Incident flux21.094 S⊕
Equilibrium temperature544.8 K
Maximum angular separation6.13 masReflected-light contrast 3.42e-8 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 206255
Spectral typeG5 IV/V
Effective temperature5635 K
Radius2.221 R☉
Mass1.420 M☉
Distance75.2 pc / 245.4 ly
DiscoveryRadial Velocity, 2019