Exoplanet

HD 168009 b

Orbiting HD 168009

Overview

HD 168009 b is an exoplanet orbiting the star HD 168009, discovered in 2021 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

9.53

Earth masses

0500 M⊕

Orbital Period

15.1

days

0.1d10,000d

Distance

23.3

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Minimum Mass, M sin(i) (Earth masses)

9.53

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Rosenthal et al. 2021

Orbital Period

15.148+0.0040.004days

Semi-Major Axis

0.1192+0.00170.0018au

M sin(i) (Earth masses)

9.53+1.211.18

M sin(i) (Jupiter masses)

0.0300+0.00380.0037

Eccentricity

0.1200+0.11000.0820

Argument of Periastron

13.2+45.863.0deg

Radial Velocity Semi-Amplitude

2.53+0.310.30m/s

Distance from Earth

23.3 pc (~76 ly)

Spectral Type

Unknown

Temperature

5778 K

Mass (Solar)

0.99 M☉

Radius (Solar)

1.21 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

273.8848°, 45.2088°

Discovery Method

Radial Velocity

Discovery Year

2021

Data Sources

Source ID: HD 168009 b

System Context

HD 168009 b orbits HD 168009 and was reported in 2021 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 9.53 Earth masses (M sin i) and an orbital period of 15.15 days.

Catalog data places the system at about 23.3 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 168009
HD 168009 b