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HD 3167 d
Orbiting HD 3167
HD 3167 d is an exoplanet orbiting the star HD 3167, discovered in 2017 using the Radial Velocity method.
Mass
7.30
Earth masses
Orbital Period
8.4
days
Distance
47.3
parsecs
Equilibrium Temp
865
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+0.002−0.003days
Semi-Major Axis
0.0770+0.0011−0.0010au
Planet Mass (Earth masses)
7.30+9.90−2.50
Planet Mass (Jupiter masses)
0.0230+0.0311−0.0079
Eccentricity
0.3500+0.1300−0.1200
Argument of Periastron
62.0+19.0−15.0deg
Radial Velocity Semi-Amplitude
1.70+0.18−0.18m/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
Source ID: HD 3167 d
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