Finding Earth 2.0
HD 212301 · F8 V

HD 212301 b

Rank #5597 of the ranked catalogue · Discovered by Radial Velocity in 2005

HZ 0%M sin i

0.051

Earth-2.0 index

0.055

Earth Similarity Index

0%

Habitable-zone probability

14.20 R⊕

Radius

Planet

Mass162.093 M⊕M sin i
Bulk density0.311 g/cm³
Orbital period2.2457 days
Semi-major axis0.03000 au
Eccentricity0.000
Incident flux1944.444 S⊕
Equilibrium temperature1688.0 K
Maximum angular separation0.55 masReflected-light contrast 3.89e-5 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 212301
Spectral typeF8 V
Effective temperature6239 K
Radius1.160 R☉
Mass1.550 M☉
Distance54.2 pc / 176.9 ly
DiscoveryRadial Velocity, 2005