Finding Earth 2.0
HD 5891 · G5

HD 5891 b

Rank #3932 of the ranked catalogue · Discovered by Radial Velocity in 2011

HZ 0%M sin i

0.080

Earth-2.0 index

0.189

Earth Similarity Index

0%

Habitable-zone probability

12.60 R⊕

Radius

Planet

Mass2425.043 M⊕M sin i
Bulk density6.660 g/cm³
Orbital period177.1100 days
Semi-major axis0.64000 au
Eccentricity0.070
Incident flux96.191 S⊕
Equilibrium temperature796.1 K
Maximum angular separation2.26 masReflected-light contrast 6.73e-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 coverage67%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 5891
Spectral typeG5
Effective temperature4673 K
Radius10.640 R☉
Mass1.930 M☉
Distance283.5 pc / 924.7 ly
DiscoveryRadial Velocity, 2011