Finding Earth 2.0
8 UMi · K0

8 UMi b

Rank #4807 of the ranked catalogue · Discovered by Radial Velocity in 2015

HZ 0%M sin i

0.070

Earth-2.0 index

0.128

Earth Similarity Index

0%

Habitable-zone probability

13.50 R⊕

Radius

Planet

Mass524.417 M⊕M sin i
Bulk density1.170 g/cm³
Orbital period93.3100 days
Semi-major axis0.46200 au
Eccentricity0.062
Incident flux247.840 S⊕
Equilibrium temperature1008.6 K
Maximum angular separation2.84 masReflected-light contrast 1.48e-7 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

Host8 UMi
Spectral typeK0
Effective temperature4847 K
Radius10.730 R☉
Mass1.510 M☉
Distance162.6 pc / 530.2 ly
DiscoveryRadial Velocity, 2015