Finding Earth 2.0
HD 208527 · M1 III

HD 208527 b

Rank #4541 of the ranked catalogue · Discovered by Radial Velocity in 2012

HZ 0%M sin i

0.074

Earth-2.0 index

0.154

Earth Similarity Index

0%

Habitable-zone probability

12.50 R⊕

Radius

Planet

Mass3146.400 M⊕M sin i
Bulk density8.850 g/cm³
Orbital period875.5000 days
Semi-major axis2.10000 au
Eccentricity0.080
Incident flux165.493 S⊕
Equilibrium temperature911.7 K
Maximum angular separation6.73 masReflected-light contrast 6.15e-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 208527
Spectral typeM1 III
Effective temperature4035 K
Radius51.100 R☉
Mass1.600 M☉
Distance312.2 pc / 1018.3 ly
DiscoveryRadial Velocity, 2012