Finding Earth 2.0
GJ 2056 · M0V:

GJ 2056 b

Rank #385 of the ranked catalogue · Discovered by Radial Velocity in 2020

HZ 0%M sin i

0.117

Earth-2.0 index

0.575

Earth Similarity Index

0%

Habitable-zone probability

4.17 R⊕

Radius

Planet

Mass16.200 M⊕M sin i
Bulk density1.230 g/cm³
Orbital period69.9710 days
Semi-major axis0.28300 au
Eccentricity0.720
Incident flux1.554 S⊕
Equilibrium temperature283.8 K
Maximum angular separation9.95 masReflected-light contrast 3.77e-8 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 coverage50%0% median composite-to-default difference over shared parameters.

Host star & system

HostGJ 2056
Spectral typeM0V:
Effective temperature4070 K
Radius0.710 R☉
Mass0.620 M☉
Distance28.4 pc / 92.8 ly
DiscoveryRadial Velocity, 2020