Finding Earth 2.0
HD 13808 · K2 V

HD 13808 c

Rank #610 of the ranked catalogue · Discovered by Radial Velocity in 2021

HZ 0%M sin i

0.112

Earth-2.0 index

0.505

Earth Similarity Index

0%

Habitable-zone probability

3.13 R⊕

Radius

Planet

Mass9.960 M⊕M sin i
Bulk density1.780 g/cm³
Orbital period53.7530 days
Semi-major axis0.25540 au
Eccentricity0.156
Incident flux5.636 S⊕
Equilibrium temperature391.7 K
Maximum angular separation9.05 masReflected-light contrast 2.61e-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 13808
Spectral typeK2 V
Effective temperature5035 K
Radius0.781 R☉
Mass0.771 M☉
Distance28.2 pc / 92.1 ly
DiscoveryRadial Velocity, 2021