Finding Earth 2.0
HD 285968 · M2 V

HD 285968 b

Rank #779 of the ranked catalogue · Discovered by Radial Velocity in 2008

HZ 0%M sin i

0.109

Earth-2.0 index

0.537

Earth Similarity Index

0%

Habitable-zone probability

2.83 R⊕

Radius

Planet

Mass8.400 M⊕M sin i
Bulk density2.040 g/cm³
Orbital period8.7836 days
Semi-major axis0.06600 au
Eccentricity0.000
Incident flux5.046 S⊕
Equilibrium temperature381.0 K
Maximum angular separation6.97 masReflected-light contrast 3.19e-7 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources5 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage58%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 285968
Spectral typeM2 V
Effective temperature3703 K
Radius0.478 R☉
Mass0.500 M☉
Distance9.5 pc / 30.9 ly
DiscoveryRadial Velocity, 2008