HD 181234 b
Orbiting HD 181234
HD 181234 b is an exoplanet orbiting the star HD 181234, discovered in 2019 using the Radial Velocity method.
Mass
2980.91
Earth masses
Orbital Period
7593.4
days
Distance
47.7
parsecs
Radius (Earth radii)
Unknown
Mass (Earth masses)
2980.91
Measured
Equilibrium Temperature
Unknown
Parameter source: Feng et al. 2022
Orbital Period
7593.405+113.610−121.826days
Semi-Major Axis
7.4270+0.3040−0.3400au
Planet Mass (Earth masses)
2980.91+321.01−315.60
Planet Mass (Jupiter masses)
9.3790+1.0100−0.9930
Eccentricity
0.7260+0.0100−0.0100
Epoch of Periastron
2450080.11+118.76−109.28days(BJD)
Argument of Periastron
95.4+2.6−2.6deg
Radial Velocity Semi-Amplitude
126.92+1.58−1.55m/s
Distance from Earth
47.7 pc (~156 ly)
Spectral Type
Unknown
Temperature
Unknown
Mass (Solar)
0.94 M☉
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
289.9999°, -9.3250°
Discovery Method
Radial Velocity
Discovery Year
2019
Source ID: HD 181234 b
HD 181234 b orbits HD 181234 and was reported in 2019 and was detected with the Radial Velocity method.
Published measurements list a mass of 2,980.91 Earth masses and an orbital period of 7,593.41 days.
Catalog data places the system at about 47.7 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 181234