Finding Earth 2.0
HIP 86221 · K5 V

HIP 86221 b

Discovered by Radial Velocity in 2021

unknownM sin i

Earth-2.0 index

Earth Similarity Index

Habitable-zone probability

14.00 R⊕

Radius

Planet

Mass225.658 M⊕M sin i
Bulk density0.452 g/cm³
Orbital period2.2240 days
Semi-major axis0.03100 au
Eccentricity0.086
Incident flux— S⊕
Equilibrium temperature— K
Maximum angular separation1.05 masReflected-light contrast 3.54e-5 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 coverage75%0% median composite-to-default difference over shared parameters.

Host star & system

HostHIP 86221
Spectral typeK5 V
Effective temperature— K
Radius— R☉
Mass0.790 M☉
Distance29.5 pc / 96.2 ly
DiscoveryRadial Velocity, 2021