gam Lib b
Orbiting gam Lib
gam Lib b is an exoplanet orbiting the star gam Lib, discovered in 2018 using the Radial Velocity method.
Minimum Mass (M sin i)
357.87
Earth masses
Orbital Period
414.9
days
Distance
47.4
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
357.87
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Teng et al. 2023
Orbital Period
414.880+1.240−1.470days
Semi-Major Axis
1.3190+0.0030−0.0030au
M sin(i) (Earth masses)
357.87+32.10−34.33
M sin(i) (Jupiter masses)
1.1260+0.1010−0.1080
Eccentricity
0.1600+0.0710−0.1070
Epoch of Periastron
2455020.30+23.70−86.30days(JD)
Argument of Periastron
-169.7+329.7−4.9deg
Radial Velocity Semi-Amplitude
21.17+1.94−2.01m/s
Distance from Earth
47.4 pc (~155 ly)
Spectral Type
K0 III
Temperature
4879 K
Mass (Solar)
1.78 M☉
Radius (Solar)
12.38 R☉
Luminosity
1.90 log L☉
Planets in System
2
Stars in System
1
Coordinates (RA, Dec)
233.8819°, -14.7895°
Discovery Method
Radial Velocity
Discovery Year
2018
Source ID: gam Lib b
gam Lib b orbits gam Lib and was reported in 2018 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 357.87 Earth masses (M sin i) and an orbital period of 414.88 days.
Catalog data places the system at about 47.4 parsecs from Earth, a host star classified as K0 III, and 2 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open gam LibMore planets in this system