Finding Earth 2.0
Ross 508 · M4.5 V

Ross 508 b

Rank #98 of the ranked catalogue · Discovered by Radial Velocity in 2022

HZ 0%M sin i

0.133

Earth-2.0 index

0.828

Earth Similarity Index

0%

Habitable-zone probability

1.83 R⊕

Radius

Planet

Mass4.000 M⊕M sin i
Bulk density3.590 g/cm³
Orbital period10.7700 days
Semi-major axis0.05366 au
Eccentricity0.330
Incident flux1.246 S⊕
Equilibrium temperature268.6 K
Maximum angular separation4.79 masReflected-light contrast 2.02e-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

HostRoss 508
Spectral typeM4.5 V
Effective temperature3071 K
Radius0.211 R☉
Mass0.177 M☉
Distance11.2 pc / 36.6 ly
DiscoveryRadial Velocity, 2022