Exoplanet

HD 8673 b

Orbiting HD 8673

Overview

HD 8673 b is an exoplanet orbiting the star HD 8673, discovered in 2009 using the Radial Velocity method.

Key Measurements

Mass

4210.59

Earth masses

0500 M⊕

Orbital Period

1644.7

days

0.1d10,000d

Distance

37.9

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Mass (Earth masses)

4210.59

Measured

Equilibrium Temperature

Unknown

Parameter source: Feng et al. 2022

Orbital Period

1644.691+10.98615.696days

Semi-Major Axis

2.9700+0.14700.1710au

Planet Mass (Earth masses)

4210.59+536.49450.05

Planet Mass (Jupiter masses)

13.2480+1.68801.4160

Eccentricity

0.7300+0.04200.0260

Epoch of Periastron

2451132.90+18.1519.36days(BJD)

Argument of Periastron

323.5+4.425.5deg

Radial Velocity Semi-Amplitude

279.83+0.370.42m/s

Distance from Earth

37.9 pc (~123 ly)

Spectral Type

Unknown

Temperature

Unknown

Mass (Solar)

1.28 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

1

Stars in System

2

Coordinates (RA, Dec)

21.5378°, 34.5793°

Discovery Method

Radial Velocity

Discovery Year

2009

Data Sources

Source ID: HD 8673 b

System Context

HD 8673 b orbits HD 8673 and was reported in 2009 and was detected with the Radial Velocity method.

Published measurements list a mass of 4,210.59 Earth masses and an orbital period of 1,644.69 days.

Catalog data places the system at about 37.9 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 8673