Finding Earth 2.0
HD 28185 · G5

HD 28185 b

Rank #378 of the ranked catalogue · Discovered by Radial Velocity in 2001

HZ 100%M sin i

0.117

Earth-2.0 index

0.529

Earth Similarity Index

100%

Habitable-zone probability

12.80 R⊕

Radius

Planet

Mass1859.296 M⊕M sin i
Bulk density4.870 g/cm³
Orbital period385.9200 days
Semi-major axis1.03400 au
Eccentricity0.063
Incident flux0.907 S⊕
Equilibrium temperature248.1 K
Maximum angular separation26.26 masReflected-light contrast 2.66e-8 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 coverage67%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 28185
Spectral typeG5
Effective temperature5602 K
Radius1.048 R☉
Mass0.974 M☉
Distance39.4 pc / 128.4 ly
DiscoveryRadial Velocity, 2001