GJ 480 b
Orbiting GJ 480
GJ 480 b is an exoplanet orbiting the star GJ 480, discovered in 2020 using the Radial Velocity method.
Minimum Mass (M sin i)
8.80
Earth masses
Orbital Period
9.6
days
Distance
14.2
parsecs
Equilibrium Temp
406
K
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
8.80
Radial-velocity minimum
Equilibrium Temperature
406 K
Parameter source: Ould-Elhkim et al. 2025
Orbital Period
9.554+0.001−0.001days
Semi-Major Axis
0.0680+0.0010−0.0010au
M sin(i) (Earth masses)
8.80+0.70−0.70
M sin(i) (Jupiter masses)
0.0277+0.0022−0.0022
Eccentricity
0.0000
Radial Velocity Semi-Amplitude
4.50+0.30−0.30m/s
Distance from Earth
14.2 pc (~46 ly)
Spectral Type
Unknown
Temperature
3509 K
Mass (Solar)
0.45 M☉
Radius (Solar)
0.45 R☉
Luminosity
-1.56 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
189.7134°, 11.6951°
Discovery Method
Radial Velocity
Discovery Year
2020
Source ID: GJ 480 b
GJ 480 b orbits GJ 480 and was reported in 2020 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 8.8 Earth masses (M sin i), an orbital period of 9.55 days, and an equilibrium temperature near 406 K.
Catalog data places the system at about 14.2 parsecs from Earth and 1 known planet in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open GJ 480