Finding Earth 2.0
HIP 5158

HIP 5158 b

Rank #2848 of the ranked catalogue · Discovered by Radial Velocity in 2009

HZ 0%M sin i

0.089

Earth-2.0 index

0.301

Earth Similarity Index

0%

Habitable-zone probability

13.60 R⊕

Radius

Planet

Mass451.000 M⊕M sin i
Bulk density0.985 g/cm³
Orbital period345.7200 days
Semi-major axis0.89000 au
Eccentricity0.520
Incident flux0.139 S⊕
Equilibrium temperature155.2 K
Maximum angular separation17.25 masReflected-light contrast 4.05e-8 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 coverage58%0% median composite-to-default difference over shared parameters.

Host star & system

HostHIP 5158
Spectral typeK
Effective temperature4962 K
Radius0.750 R☉
Mass0.780 M☉
Distance51.6 pc / 168.3 ly
DiscoveryRadial Velocity, 2009