Finding Earth 2.0
HD 220074 · M2 III

HD 220074 b

Rank #5081 of the ranked catalogue · Discovered by Radial Velocity in 2012

HZ 0%M sin i

0.066

Earth-2.0 index

0.108

Earth Similarity Index

0%

Habitable-zone probability

12.20 R⊕

Radius

Planet

Mass5288.691 M⊕M sin i
Bulk density16.000 g/cm³
Orbital period672.1000 days
Semi-major axis1.60000 au
Eccentricity0.140
Incident flux305.705 S⊕
Equilibrium temperature1062.9 K
Maximum angular separation4.93 masReflected-light contrast 1.01e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources5 · 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 220074
Spectral typeM2 III
Effective temperature3787 K
Radius54.920 R☉
Mass2.200 M☉
Distance324.5 pc / 1058.5 ly
DiscoveryRadial Velocity, 2012