HD 224018 b
Orbiting HD 224018
HD 224018 b is an exoplanet orbiting the star HD 224018, discovered in 2025 using the Radial Velocity method. It is a Earth-sized world.
Radius
0.91
Earth radii
Mass
4.10
Earth masses
Orbital Period
10.6
days
Distance
105.5
parsecs
Equilibrium Temp
968
K
Radius (Earth radii)
0.91
Mass (Earth masses)
4.10
Measured
Equilibrium Temperature
968 K
Parameter source: Damasso et al. 2025
Orbital Period
10.641+0.003−0.003days
Semi-Major Axis
0.0952+0.0020−0.0020au
Planet Mass (Earth masses)
4.10+0.80−0.80
Planet Mass (Jupiter masses)
0.0129+0.0025−0.0025
Eccentricity
0.0600+0.0700−0.0400
Argument of Periastron
190.0+69.0−86.0deg
Radial Velocity Semi-Amplitude
1.19+0.22−0.22m/s
Distance from Earth
105.5 pc (~344 ly)
Spectral Type
G V
Temperature
5784 K
Mass (Solar)
1.01 M☉
Radius (Solar)
1.15 R☉
Luminosity
0.12 log L☉
Planets in System
3
Stars in System
1
Coordinates (RA, Dec)
358.6390°, -4.7233°
Discovery Method
Radial Velocity
Discovery Year
2025
Source ID: HD 224018 b
HD 224018 b orbits HD 224018 and was reported in 2025 and was detected with the Radial Velocity method.
Published measurements list a radius of 0.91 Earth radii, a mass of 4.1 Earth masses, an orbital period of 10.64 days, and an equilibrium temperature near 968 K.
Catalog data places the system at about 105.5 parsecs from Earth, a host star classified as G V, and 3 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open HD 224018More planets in this system