HD 3167 c
Orbiting HD 3167
HD 3167 c is an exoplanet orbiting the star HD 3167, discovered in 2016 using the Transit method. It is a Mini-Neptune world.
Radius
2.98
Earth radii
Mass
11.41
Earth masses
Orbital Period
29.8
days
Distance
47.3
parsecs
Equilibrium Temp
567
K
Radius (Earth radii)
2.98
Mass (Earth masses)
11.41
Measured
Equilibrium Temperature
567 K
Parameter source: Coy et al. 2026
Orbital Period
29.847+0.000−0.000days
Semi-Major Axis
0.1794+0.0027−0.0024au
Planet Mass (Earth masses)
11.41+0.86−0.83
Planet Mass (Jupiter masses)
0.0359+0.0027−0.0026
Eccentricity
0.0400+0.0440−0.0280
Argument of Periastron
-69.0+71.0−49.0deg
Radial Velocity Semi-Amplitude
2.59+0.18−0.17m/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
Transit
Discovery Year
2016
Source ID: HD 3167 c
HD 3167 c orbits HD 3167 and was reported in 2016 and was detected with the Transit method.
Published measurements list a radius of 2.98 Earth radii, a mass of 11.41 Earth masses, an orbital period of 29.85 days, and an equilibrium temperature near 567 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