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

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