GJ 480 b

A confirmed exoplanet orbiting GJ 480.

Compared with Earth

Mass
About 8.8 times Earth's mass.
Temperature
About 133 °C (271 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 9.6 Earth days.

Planet

Radius
Unknown
Mass
8.8 × Earth
Density
Unknown
Equilibrium temperature
406 K
Starlight received
Unknown
Orbital period
9.554 days
Average distance from its star
0.068 AU

Star

Host star
GJ 480
Spectral class
M — red dwarf
Surface temperature
3,509 K
Radius
0.449 × Sun
Mass
0.45 × Sun
Age
Unknown

System

Distance from Earth
46.43 light-years (14.24 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2020
Method
Radial Velocity
Facility
Multiple Observatories

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