Exoplanet

HD 3167 d

Orbiting HD 3167

Overview

HD 3167 d is an exoplanet orbiting the star HD 3167, discovered in 2017 using the Radial Velocity method.

Key Measurements

Mass

7.30

Earth masses

0500 M⊕

Orbital Period

8.4

days

0.1d10,000d

Distance

47.3

parsecs

Nearby10,000 pc

Equilibrium Temp

865

K

150 K3,500 K

Radius (Earth radii)

Unknown

Mass (Earth masses)

7.30

Measured

Equilibrium Temperature

865 K

Parameter source: Coy et al. 2026

Orbital Period

8.397+0.0020.003days

Semi-Major Axis

0.0770+0.00110.0010au

Planet Mass (Earth masses)

7.30+9.902.50

Planet Mass (Jupiter masses)

0.0230+0.03110.0079

Eccentricity

0.3500+0.13000.1200

Argument of Periastron

62.0+19.015.0deg

Radial Velocity Semi-Amplitude

1.70+0.180.18m/s

Distance from Earth

47.3 pc (~154 ly)

Spectral Type

Unknown

Temperature

5338 K

Mass (Solar)

0.86 M☉

Radius (Solar)

0.87 R☉

Luminosity

-0.26 log L☉

Planets in System

4

Stars in System

1

Coordinates (RA, Dec)

8.7401°, 4.3807°

Discovery Method

Radial Velocity

Discovery Year

2017

Data Sources

Source ID: HD 3167 d

System Context

HD 3167 d orbits HD 3167 and was reported in 2017 and was detected with the Radial Velocity method.

Published measurements list a mass of 7.3 Earth masses, an orbital period of 8.4 days, and an equilibrium temperature near 865 K.

Catalog data places the system at about 47.3 parsecs from Earth and 4 known planets in the system.

Host star

Explore the stellar record for this system to compare temperature, spectral type, and known planets.

Open HD 3167

More planets in this system

HD 3167 d