Finding Earth 2.0
HIP 34222 · K7 V

HIP 34222 b

Rank #2502 of the ranked catalogue · Discovered by Radial Velocity in 2021

HZ 100%M sin i

0.092

Earth-2.0 index

0.334

Earth Similarity Index

100%

Habitable-zone probability

13.90 R⊕

Radius

Planet

Mass263.798 M⊕M sin i
Bulk density0.540 g/cm³
Orbital period159.9860 days
Semi-major axis0.49200 au
Eccentricity0.305
Incident flux0.383 S⊕
Equilibrium temperature200.0 K
Maximum angular separation21.54 masReflected-light contrast 1.39e-7 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 coverage50%0% median composite-to-default difference over shared parameters.

Host star & system

HostHIP 34222
Spectral typeK7 V
Effective temperature4050 K
Radius0.619 R☉
Mass0.620 M☉
Distance22.8 pc / 74.5 ly
DiscoveryRadial Velocity, 2021