Finding Earth 2.0
HD 27969 · G0 V

HD 27969 b

Rank #615 of the ranked catalogue · Discovered by Radial Velocity in 2021

HZ 99%M sin i

0.112

Earth-2.0 index

0.504

Earth Similarity Index

99%

Habitable-zone probability

12.90 R⊕

Radius

Planet

Mass1525.576 M⊕M sin i
Bulk density3.910 g/cm³
Orbital period654.5000 days
Semi-major axis1.55200 au
Eccentricity0.182
Incident flux0.760 S⊕
Equilibrium temperature237.3 K
Maximum angular separation22.85 masReflected-light contrast 1.20e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources3 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage83%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 27969
Spectral typeG0 V
Effective temperature5966 K
Radius1.270 R☉
Mass1.160 M☉
Distance67.9 pc / 221.6 ly
DiscoveryRadial Velocity, 2021