HD 199509 b
Orbiting HD 199509
HD 199509 b is an exoplanet orbiting the star HD 199509, discovered in 2022 using the Radial Velocity method.
Minimum Mass (M sin i)
43.22
Earth masses
Orbital Period
99.6
days
Distance
24.3
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
43.22
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Feng et al. 2022
Orbital Period
99.622+0.142−0.094days
Semi-Major Axis
0.4260+0.0180−0.0190au
M sin(i) (Earth masses)
43.22+3.81−5.09
M sin(i) (Jupiter masses)
0.1360+0.0120−0.0160
Eccentricity
0.3730+0.0900−0.0870
Epoch of Periastron
2444997.24+456.59−431.96days(BJD)
Argument of Periastron
317.0+15.9−12.4deg
Radial Velocity Semi-Amplitude
6.28+0.28−0.37m/s
Distance from Earth
24.3 pc (~79 ly)
Spectral Type
Unknown
Temperature
Unknown
Mass (Solar)
1.04 M☉
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
317.3446°, -82.0275°
Discovery Method
Radial Velocity
Discovery Year
2022
Source ID: HD 199509 b
HD 199509 b orbits HD 199509 and was reported in 2022 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 43.22 Earth masses (M sin i) and an orbital period of 99.62 days.
Catalog data places the system at about 24.3 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 199509