Finding Earth 2.0
HD 208487 · G2 V

HD 208487 b

Rank #2975 of the ranked catalogue · Discovered by Radial Velocity in 2004

HZ 0%M sin i

0.088

Earth-2.0 index

0.247

Earth Similarity Index

0%

Habitable-zone probability

14.30 R⊕

Radius

Planet

Mass146.201 M⊕M sin i
Bulk density0.275 g/cm³
Orbital period129.3600 days
Semi-major axis0.53000 au
Eccentricity0.370
Incident flux6.088 S⊕
Equilibrium temperature399.3 K
Maximum angular separation11.74 masReflected-light contrast 1.26e-7 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 208487
Spectral typeG2 V
Effective temperature6134 K
Radius1.160 R☉
Mass1.150 M☉
Distance45.1 pc / 147.2 ly
DiscoveryRadial Velocity, 2004