Finding Earth 2.0
HR 810 · G0V

HR 810 b

Rank #326 of the ranked catalogue · Discovered by Radial Velocity in 1999

HZ 0%measured

0.119

Earth-2.0 index

0.471

Earth Similarity Index

0%

Habitable-zone probability

12.70 R⊕

Radius

Planet

Mass1970.536 M⊕measured
Bulk density5.290 g/cm³
Orbital period302.8000 days
Semi-major axis0.92000 au
Eccentricity0.140
Incident flux2.116 S⊕
Equilibrium temperature306.6 K
Maximum angular separation53.12 masReflected-light contrast 3.31e-8 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

HostHR 810
Spectral typeG0V
Effective temperature6167 K
Radius1.130 R☉
Mass1.340 M☉
Distance17.3 pc / 56.5 ly
DiscoveryRadial Velocity, 1999