HD 238914 b
Orbiting HD 238914
HD 238914 b is an exoplanet orbiting the star HD 238914, discovered in 2018 using the Radial Velocity method.
Minimum Mass (M sin i)
1906.98
Earth masses
Orbital Period
4100.0
days
Distance
519.5
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
1906.98
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Adamów et al. 2018
Orbital Period
4100.000+210.000−210.000days
Semi-Major Axis
5.7000+0.9000−0.9000au
M sin(i) (Earth masses)
1906.98+858.14−858.14
M sin(i) (Jupiter masses)
6.0000+2.7000−2.7000
Eccentricity
0.5600+0.0700−0.0500
Epoch of Periastron
2460540.50+230.00−250.00days(JD)
Argument of Periastron
318.0+8.0−7.0deg
Radial Velocity Semi-Amplitude
71.00+7.00−11.00m/s
Distance from Earth
519.5 pc (~1694 ly)
Spectral Type
Unknown
Temperature
4769 K
Mass (Solar)
1.47 M☉
Radius (Solar)
12.73 R☉
Luminosity
1.85 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
279.5842°, 59.2539°
Discovery Method
Radial Velocity
Discovery Year
2018
Source ID: HD 238914 b
HD 238914 b orbits HD 238914 and was reported in 2018 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 1,906.98 Earth masses (M sin i) and an orbital period of 4,100 days.
Catalog data places the system at about 519.5 parsecs from Earth 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 238914