HD 79181 b
Orbiting HD 79181
HD 79181 b is an exoplanet orbiting the star HD 79181, discovered in 2021 using the Radial Velocity method.
Minimum Mass (M sin i)
203.41
Earth masses
Orbital Period
273.1
days
Distance
103.3
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
203.41
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Teng et al. 2022
Orbital Period
273.100+1.300−0.400days
Semi-Major Axis
0.9000+0.0700−0.0800au
M sin(i) (Earth masses)
203.41+19.07−50.85
M sin(i) (Jupiter masses)
0.6400+0.0600−0.1600
Eccentricity
0.2590+0.0670−0.2060
Epoch of Periastron
2455123.00+103.80−11.60days(JD)
Argument of Periastron
318.0+48.0−32.0deg
Radial Velocity Semi-Amplitude
17.70+1.60−2.20m/s
Distance from Earth
103.3 pc (~337 ly)
Spectral Type
G8 III
Temperature
4862 K
Mass (Solar)
1.28 M☉
Radius (Solar)
11.06 R☉
Luminosity
1.79 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
137.9945°, -19.7474°
Discovery Method
Radial Velocity
Discovery Year
2021
Source ID: HD 79181 b
HD 79181 b orbits HD 79181 and was reported in 2021 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 203.41 Earth masses (M sin i) and an orbital period of 273.1 days.
Catalog data places the system at about 103.3 parsecs from Earth, a host star classified as G8 III, 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 79181