HD 211970 b
Orbiting HD 211970
HD 211970 b is an exoplanet orbiting the star HD 211970, discovered in 2019 using the Radial Velocity method.
Minimum Mass (M sin i)
13.00
Earth masses
Orbital Period
25.2
days
Distance
13.1
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
13.00
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Feng et al. 2019
Orbital Period
25.201+0.025−0.025days
Semi-Major Axis
0.1430+0.0030−0.0030au
M sin(i) (Earth masses)
13.00+2.50−2.50
M sin(i) (Jupiter masses)
0.0409+0.0079−0.0079
Eccentricity
0.1500+0.1000−0.1000
Argument of Periastron
97.8+51.7−51.7deg
Radial Velocity Semi-Amplitude
4.02+0.74−0.74m/s
Distance from Earth
13.1 pc (~43 ly)
Spectral Type
K7 V
Temperature
4127 K
Mass (Solar)
0.61 M☉
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
335.5662°, -54.5596°
Discovery Method
Radial Velocity
Discovery Year
2019
Source ID: HD 211970 b
HD 211970 b orbits HD 211970 and was reported in 2019 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 13 Earth masses (M sin i) and an orbital period of 25.2 days.
Catalog data places the system at about 13.1 parsecs from Earth, a host star classified as K7 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 HD 211970