GJ 414 A b
Orbiting GJ 414 A
GJ 414 A b is an exoplanet orbiting the star GJ 414 A, discovered in 2021 using the Radial Velocity method. It is a Mini-Neptune world.
Radius
2.63
Earth radii
Minimum Mass (M sin i)
7.60
Earth masses
Orbital Period
50.8
days
Distance
11.9
parsecs
Equilibrium Temp
309
K
Radius (Earth radii)
2.63
Minimum Mass, M sin(i) (Earth masses)
7.60
Radial-velocity minimum
Equilibrium Temperature
309 K
Parameter source: Dedrick et al. 2021
Orbital Period
50.800+0.100−0.260days
Semi-Major Axis
0.2324+0.0092−0.0099au
M sin(i) (Earth masses)
7.60+2.44−2.19
M sin(i) (Jupiter masses)
0.0239+0.0077−0.0069
Eccentricity
0.4500+0.1900−0.2200
Epoch of Periastron
2454203.07+13.06−6.61days(BJD-TDB)
Argument of Periastron
111.0+36.0−52.0deg
Radial Velocity Semi-Amplitude
2.05+0.62−0.58m/s
Distance from Earth
11.9 pc (~39 ly)
Spectral Type
K7 V
Temperature
4120 K
Mass (Solar)
0.65 M☉
Radius (Solar)
0.68 R☉
Luminosity
-0.92 log L☉
Planets in System
2
Stars in System
2
Coordinates (RA, Dec)
167.7745°, 30.4452°
Discovery Method
Radial Velocity
Discovery Year
2021
Source ID: GJ 414 A b
GJ 414 A b orbits GJ 414 A and was reported in 2021 and was detected with the Radial Velocity method.
Published measurements list a radius of 2.63 Earth radii, a minimum mass of 7.6 Earth masses (M sin i), an orbital period of 50.8 days, and an equilibrium temperature near 309 K.
Catalog data places the system at about 11.9 parsecs from Earth, a host star classified as K7 V, 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 GJ 414 AMore planets in this system