Finding Earth 2.0
GJ 649 · M1.0

GJ 649 b

Rank #3738 of the ranked catalogue · Discovered by Radial Velocity in 2009

HZ 0%M sin i

0.082

Earth-2.0 index

0.196

Earth Similarity Index

0%

Habitable-zone probability

10.80 R⊕

Radius

Planet

Mass82.000 M⊕M sin i
Bulk density0.358 g/cm³
Orbital period600.1000 days
Semi-major axis1.11200 au
Eccentricity0.083
Incident flux0.035 S⊕
Equilibrium temperature110.1 K
Maximum angular separation107.13 masReflected-light contrast 1.64e-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 coverage67%0% median composite-to-default difference over shared parameters.

Host star & system

HostGJ 649
Spectral typeM1.0
Effective temperature3734 K
Radius0.500 R☉
Mass0.510 M☉
Distance10.4 pc / 33.9 ly
DiscoveryRadial Velocity, 2009