GJ 740 b
Orbiting GJ 740
GJ 740 b is an exoplanet orbiting the star GJ 740, discovered in 2021 using the Radial Velocity method.
Minimum Mass (M sin i)
2.96
Earth masses
Orbital Period
2.4
days
Distance
11.1
parsecs
Equilibrium Temp
829
K
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
2.96
Radial-velocity minimum
Equilibrium Temperature
829 K
Parameter source: Toledo-Padrón et al. 2021
Orbital Period
2.378+0.000−0.000days
Semi-Major Axis
0.0290+0.0010−0.0010au
M sin(i) (Earth masses)
2.96+0.50−0.48
M sin(i) (Jupiter masses)
0.0093+0.0016−0.0015
Eccentricity
0.2400+0.1500−0.1400
Epoch of Periastron
2454648.57+0.32−0.30days(BJD)
Argument of Periastron
-41.0+58.0−48.0deg
Radial Velocity Semi-Amplitude
2.13+0.34−0.32m/s
Distance from Earth
11.1 pc (~36 ly)
Spectral Type
M1.0 V
Temperature
3913 K
Mass (Solar)
0.58 M☉
Radius (Solar)
0.56 R☉
Luminosity
-1.21 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
284.4997°, 5.9029°
Discovery Method
Radial Velocity
Discovery Year
2021
Source ID: GJ 740 b
GJ 740 b orbits GJ 740 and was reported in 2021 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 2.96 Earth masses (M sin i), an orbital period of 2.38 days, and an equilibrium temperature near 829 K.
Catalog data places the system at about 11.1 parsecs from Earth, a host star classified as M1.0 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 740