HD 238090 b
Orbiting HD 238090
HD 238090 b is an exoplanet orbiting the star HD 238090, discovered in 2020 using the Radial Velocity method.
Minimum Mass (M sin i)
6.89
Earth masses
Orbital Period
13.7
days
Distance
15.2
parsecs
Equilibrium Temp
470
K
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
6.89
Radial-velocity minimum
Equilibrium Temperature
470 K
Parameter source: Stock et al. 2020
Orbital Period
13.671+0.011−0.010days
Semi-Major Axis
0.0932+0.0011−0.0011au
M sin(i) (Earth masses)
6.89+0.92−0.95
M sin(i) (Jupiter masses)
0.0217+0.0029−0.0030
Eccentricity
0.3000+0.1600−0.1700
Argument of Periastron
119.3+22.8−24.8deg
Radial Velocity Semi-Amplitude
2.85+0.38−0.39m/s
Distance from Earth
15.2 pc (~50 ly)
Spectral Type
M0.0 V
Temperature
3933 K
Mass (Solar)
0.58 M☉
Radius (Solar)
0.57 R☉
Luminosity
-1.15 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
183.0886°, 54.4862°
Discovery Method
Radial Velocity
Discovery Year
2020
Source ID: HD 238090 b
HD 238090 b orbits HD 238090 and was reported in 2020 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 6.89 Earth masses (M sin i), an orbital period of 13.67 days, and an equilibrium temperature near 470 K.
Catalog data places the system at about 15.2 parsecs from Earth, a host star classified as M0.0 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 HD 238090