HD 188641 b
Orbiting HD 188641
HD 188641 b is an exoplanet orbiting the star HD 188641, discovered in 2022 using the Radial Velocity method.
Mass
9333.03
Earth masses
Orbital Period
14583.8
days
Distance
64.3
parsecs
Radius (Earth radii)
Unknown
Mass (Earth masses)
9333.03
Measured
Equilibrium Temperature
Unknown
Parameter source: Feng et al. 2022
Orbital Period
14583.810+3328.210−2616.268days
Semi-Major Axis
12.0270+1.8970−1.5670au
Planet Mass (Earth masses)
9333.03+1901.89−1179.78
Planet Mass (Jupiter masses)
29.3650+5.9840−3.7120
Eccentricity
0.0340+0.0590−0.0880
Epoch of Periastron
2446031.51+3093.17−5933.07days(BJD)
Argument of Periastron
250.1+92.2−87.8deg
Radial Velocity Semi-Amplitude
174.61+30.05−17.23m/s
Distance from Earth
64.3 pc (~210 ly)
Spectral Type
Unknown
Temperature
Unknown
Mass (Solar)
1.07 M☉
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
299.4048°, -37.7449°
Discovery Method
Radial Velocity
Discovery Year
2022
Source ID: HD 188641 b
HD 188641 b orbits HD 188641 and was reported in 2022 and was detected with the Radial Velocity method.
Published measurements list a mass of 9,333.03 Earth masses and an orbital period of 14,583.81 days.
Catalog data places the system at about 64.3 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 188641