GJ 649 b

A confirmed exoplanet orbiting GJ 649.

Compared with Earth

Mass
About 82 times Earth's mass.
Year
A year here lasts about 1.6 Earth years.

Planet

Radius
Unknown
Mass
82 × Earth
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
600.1 days
Average distance from its star
1.112 AU

Star

Host star
GJ 649
Spectral class
M — red dwarf
Surface temperature
3,734 K
Radius
0.5 × Sun
Mass
0.51 × Sun
Age
Unknown

System

Distance from Earth
33.85 light-years (10.38 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2009
Method
Radial Velocity
Facility
W. M. Keck Observatory

Data from the NASA Exoplanet Archive, synced October 14, 2026.