GJ 422 b

A confirmed exoplanet orbiting GJ 422.

Compared with Earth

Mass
About 11 times Earth's mass.
Year
A year here lasts about 20 Earth days.

Planet

Radius
Unknown
Mass
11.07 × Earth
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
20.13 days
Average distance from its star
0.111 AU

Star

Host star
GJ 422
Spectral class
Unknown
Surface temperature
Unknown
Radius
Unknown
Mass
0.35 × Sun
Age
Unknown

System

Distance from Earth
41.3 light-years (12.66 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2014
Method
Radial Velocity
Facility
Multiple Observatories

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