Finding Earth 2.0
GJ 806 · M1.5 V

GJ 806 c

Rank #593 of the ranked catalogue · Discovered by Radial Velocity in 2023

HZ 0%M sin i

0.112

Earth-2.0 index

0.509

Earth Similarity Index

0%

Habitable-zone probability

2.28 R⊕

Radius

Planet

Mass5.800 M⊕M sin i
Bulk density2.690 g/cm³
Orbital period6.6406 days
Semi-major axis0.05230 au
Eccentricity
Incident flux9.500 S⊕
Equilibrium temperature446.3 K
Maximum angular separation4.34 masReflected-light contrast 3.30e-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 coverage82%0% median composite-to-default difference over shared parameters.

Host star & system

HostGJ 806
Spectral typeM1.5 V
Effective temperature3600 K
Radius0.414 R☉
Mass0.413 M☉
Distance12.0 pc / 39.3 ly
DiscoveryRadial Velocity, 2023