Finding Earth 2.0
HD 89307 · G0 V

HD 89307 b

Rank #1275 of the ranked catalogue · Discovered by Radial Velocity in 2009

HZ 0%measured

0.103

Earth-2.0 index

0.314

Earth Similarity Index

0%

Habitable-zone probability

13.40 R⊕

Radius

Planet

Mass642.013 M⊕measured
Bulk density1.470 g/cm³
Orbital period2166.0000 days
Semi-major axis3.27000 au
Eccentricity0.200
Incident flux0.127 S⊕
Equilibrium temperature151.6 K
Maximum angular separation102.15 masReflected-light contrast 2.91e-9 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources6 · 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 89307
Spectral typeG0 V
Effective temperature5955 K
Radius1.100 R☉
Mass1.270 M☉
Distance32.0 pc / 104.4 ly
DiscoveryRadial Velocity, 2009