G 261-6 b
Orbiting G 261-6
G 261-6 b is an exoplanet orbiting the star G 261-6, discovered in 2025 using the Radial Velocity method.
Minimum Mass (M sin i)
1.37
Earth masses
Orbital Period
5.5
days
Distance
10.6
parsecs
Equilibrium Temp
322
K
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
1.37
Radial-velocity minimum
Equilibrium Temperature
322 K
Parameter source: Kaminski et al. 2025
Orbital Period
5.454+0.003−0.003days
Semi-Major Axis
0.0297+0.0009−0.0009au
M sin(i) (Earth masses)
1.37+0.23−0.22
M sin(i) (Jupiter masses)
0.0043+0.0007−0.0007
Eccentricity
0.0000
Radial Velocity Semi-Amplitude
2.08+0.31−0.32m/s
Distance from Earth
10.6 pc (~35 ly)
Spectral Type
M5.5 V
Temperature
Unknown
Mass (Solar)
0.12 M☉
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
291.0743°, 75.5558°
Discovery Method
Radial Velocity
Discovery Year
2025
Source ID: G 261-6 b
G 261-6 b orbits G 261-6 and was reported in 2025 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 1.37 Earth masses (M sin i), an orbital period of 5.45 days, and an equilibrium temperature near 322 K.
Catalog data places the system at about 10.6 parsecs from Earth, a host star classified as M5.5 V, 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 G 261-6