Gl 725 B c

A confirmed exoplanet orbiting Gl 725 B.

Compared with Earth

Mass
About 3.4 times Earth's mass.
Temperature
About -58 °C (-73 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 38 Earth days.

Planet

Radius
Unknown
Mass
3.4 × Earth
Density
Unknown
Equilibrium temperature
215 K
Starlight received
Unknown
Orbital period
37.9 days
Average distance from its star
0.139 AU

Star

Host star
Gl 725 B
Spectral class
M — red dwarf
Surface temperature
3,379 K
Radius
0.28 × Sun
Mass
0.25 × Sun
Age
8.7 billion years

System

Distance from Earth
22.32 light-years (6.842 parsecs)
Stars in system
2
Known planets
2

Discovery

Year
2026
Method
Radial Velocity
Facility
Mauna Kea Observatory

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