HD 331093 b
Orbiting HD 331093
HD 331093 b is an exoplanet orbiting the star HD 331093, discovered in 2021 using the Radial Velocity method.
Minimum Mass (M sin i)
476.74
Earth masses
Orbital Period
621.6
days
Distance
50.2
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
476.74
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Dalal et al. 2021
Orbital Period
621.620+16.110−16.110days
Semi-Major Axis
1.4400+0.0700−0.0700au
M sin(i) (Earth masses)
476.74+34.96−34.96
M sin(i) (Jupiter masses)
1.5000+0.1100−0.1100
Eccentricity
0.5900+0.0300−0.0300
Epoch of Periastron
2459022.81+17.77−17.77days(BJD)
Argument of Periastron
165.8+27.1−27.1deg
Radial Velocity Semi-Amplitude
43.65+2.20−2.20m/s
Distance from Earth
50.2 pc (~164 ly)
Spectral Type
K0
Temperature
5544 K
Mass (Solar)
1.03 M☉
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
295.6200°, 31.7395°
Discovery Method
Radial Velocity
Discovery Year
2021
Source ID: HD 331093 b
HD 331093 b orbits HD 331093 and was reported in 2021 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 476.74 Earth masses (M sin i) and an orbital period of 621.62 days.
Catalog data places the system at about 50.2 parsecs from Earth, a host star classified as K0, 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 331093