Finding Earth 2.0
HD 28254 · G5 V

HD 28254 b

Rank #733 of the ranked catalogue · Discovered by Radial Velocity in 2010

HZ 100%measured

0.110

Earth-2.0 index

0.426

Earth Similarity Index

100%

Habitable-zone probability

13.00 R⊕

Radius

Planet

Mass1207.748 M⊕measured
Bulk density3.020 g/cm³
Orbital period1333.0000 days
Semi-major axis2.45000 au
Eccentricity0.950
Incident flux0.364 S⊕
Equilibrium temperature197.5 K
Maximum angular separation44.31 masReflected-light contrast 4.89e-9 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 coverage50%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 28254
Spectral typeG5 V
Effective temperature5664 K
Radius1.480 R☉
Mass1.100 M☉
Distance55.3 pc / 180.3 ly
DiscoveryRadial Velocity, 2010