Finding Earth 2.0
HD 50554 · F8 V

HD 50554 b

Rank #537 of the ranked catalogue · Discovered by Radial Velocity in 2002

HZ 0%measured

0.113

Earth-2.0 index

0.412

Earth Similarity Index

0%

Habitable-zone probability

12.80 R⊕

Radius

Planet

Mass1859.296 M⊕measured
Bulk density4.870 g/cm³
Orbital period1293.0000 days
Semi-major axis2.35300 au
Eccentricity0.501
Incident flux0.251 S⊕
Equilibrium temperature179.9 K
Maximum angular separation75.50 masReflected-light contrast 5.14e-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 coverage67%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 50554
Spectral typeF8 V
Effective temperature5987 K
Radius1.020 R☉
Mass1.040 M☉
Distance31.2 pc / 101.6 ly
DiscoveryRadial Velocity, 2002