GJ 720 A b
Orbiting GJ 720 A
GJ 720 A b is an exoplanet orbiting the star GJ 720 A, discovered in 2021 using the Radial Velocity method.
Minimum Mass (M sin i)
13.64
Earth masses
Orbital Period
19.5
days
Distance
15.6
parsecs
Equilibrium Temp
401
K
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
13.64
Radial-velocity minimum
Equilibrium Temperature
401 K
Parameter source: González-Álvarez et al. 2021
Orbital Period
19.466+0.005−0.005days
Semi-Major Axis
0.1190+0.0020−0.0010au
M sin(i) (Earth masses)
13.64+0.78−0.79
M sin(i) (Jupiter masses)
0.0429+0.0025−0.0025
Eccentricity
0.1200+0.0500−0.0600
Epoch of Periastron
2456406.81+0.43−0.42days(BJD)
Argument of Periastron
110.2+24.0−24.3deg
Radial Velocity Semi-Amplitude
4.72+0.27−0.27m/s
Distance from Earth
15.6 pc (~51 ly)
Spectral Type
M0.5 V
Temperature
3837 K
Mass (Solar)
0.57 M☉
Radius (Solar)
0.56 R☉
Luminosity
-1.22 log L☉
Planets in System
1
Stars in System
2
Coordinates (RA, Dec)
278.8294°, 45.7456°
Discovery Method
Radial Velocity
Discovery Year
2021
Source ID: GJ 720 A b
GJ 720 A b orbits GJ 720 A and was reported in 2021 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 13.64 Earth masses (M sin i), an orbital period of 19.47 days, and an equilibrium temperature near 401 K.
Catalog data places the system at about 15.6 parsecs from Earth, a host star classified as M0.5 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 GJ 720 A