GJ 514 b
Orbiting GJ 514
GJ 514 b is an exoplanet orbiting the star GJ 514, discovered in 2022 using the Radial Velocity method.
Minimum Mass (M sin i)
5.20
Earth masses
Orbital Period
140.4
days
Distance
7.6
parsecs
Equilibrium Temp
202
K
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
5.20
Radial-velocity minimum
Equilibrium Temperature
202 K
Parameter source: Damasso et al. 2022
Orbital Period
140.430+0.410−0.410days
Semi-Major Axis
0.4220+0.0140−0.0150au
M sin(i) (Earth masses)
5.20+0.90−0.90
M sin(i) (Jupiter masses)
0.0164+0.0028−0.0028
Eccentricity
0.4500+0.1500−0.1400
Epoch of Periastron
2458696.21+7.66−13.71days(BJD-TDB)
Argument of Periastron
-143.0+306.0−28.0deg
Radial Velocity Semi-Amplitude
1.15+0.21−0.19m/s
Distance from Earth
7.6 pc (~25 ly)
Spectral Type
M0.5-1.0 V
Temperature
3728 K
Mass (Solar)
0.51 M☉
Radius (Solar)
0.50 R☉
Luminosity
-1.37 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
202.5040°, 10.3725°
Discovery Method
Radial Velocity
Discovery Year
2022
Source ID: GJ 514 b
GJ 514 b orbits GJ 514 and was reported in 2022 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 5.2 Earth masses (M sin i), an orbital period of 140.43 days, and an equilibrium temperature near 202 K.
Catalog data places the system at about 7.6 parsecs from Earth, a host star classified as M0.5-1.0 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 GJ 514