GJ 179 b

A confirmed exoplanet orbiting GJ 179.

Compared with Earth

Mass
About 261 times Earth's mass.
Year
A year here lasts about 6.3 Earth years.

Planet

Radius
Unknown
Mass
260.6 × Earth
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
2,288 days
Average distance from its star
2.41 AU

Star

Host star
GJ 179
Spectral class
M — red dwarf
Surface temperature
3,370 K
Radius
0.38 × Sun
Mass
0.357 × Sun
Age
Unknown

System

Distance from Earth
40.3 light-years (12.36 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.