Finding Earth 2.0
HD 208897 · K0

HD 208897 b

Rank #2696 of the ranked catalogue · Discovered by Radial Velocity in 2017

HZ 0%M sin i

0.090

Earth-2.0 index

0.266

Earth Similarity Index

0%

Habitable-zone probability

13.70 R⊕

Radius

Planet

Mass379.487 M⊕M sin i
Bulk density0.811 g/cm³
Orbital period358.2700 days
Semi-major axis1.06300 au
Eccentricity0.020
Incident flux10.888 S⊕
Equilibrium temperature461.7 K
Maximum angular separation15.75 masReflected-light contrast 2.88e-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 coverage67%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 208897
Spectral typeK0
Effective temperature4860 K
Radius4.980 R☉
Mass1.250 M☉
Distance67.5 pc / 220.1 ly
DiscoveryRadial Velocity, 2017