Finding Earth 2.0
HD 38801 · K0

HD 38801 b

Rank #708 of the ranked catalogue · Discovered by Radial Velocity in 2009

HZ 0%M sin i

0.110

Earth-2.0 index

0.445

Earth Similarity Index

0%

Habitable-zone probability

12.50 R⊕

Radius

Planet

Mass3082.315 M⊕M sin i
Bulk density8.670 g/cm³
Orbital period685.2500 days
Semi-major axis1.62300 au
Eccentricity0.017
Incident flux1.731 S⊕
Equilibrium temperature291.6 K
Maximum angular separation17.75 masReflected-light contrast 1.03e-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 38801
Spectral typeK0
Effective temperature5338 K
Radius2.029 R☉
Mass1.207 M☉
Distance91.4 pc / 298.2 ly
DiscoveryRadial Velocity, 2009