HD 18143 c
Orbiting HD 18143
HD 18143 c is an exoplanet orbiting the star HD 18143, discovered in 2022 using the Radial Velocity method.
Mass
3177.65
Earth masses
Orbital Period
28982.4
days
Distance
22.5
parsecs
Radius (Earth radii)
Unknown
Mass (Earth masses)
3177.65
Measured
Equilibrium Temperature
Unknown
Parameter source: Feng et al. 2022
Orbital Period
28982.418+18264.567−7978.167days
Semi-Major Axis
17.5300+6.5870−3.4470au
Planet Mass (Earth masses)
3177.65+623.26−594.66
Planet Mass (Jupiter masses)
9.9980+1.9610−1.8710
Eccentricity
0.1940+0.0210−0.0970
Epoch of Periastron
2427146.01+8631.01−18205.99days(BJD)
Argument of Periastron
313.3+23.2−26.0deg
Radial Velocity Semi-Amplitude
43.94+4.23−4.75m/s
Distance from Earth
22.5 pc (~73 ly)
Spectral Type
Unknown
Temperature
Unknown
Mass (Solar)
0.85 M☉
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
2
Stars in System
1
Coordinates (RA, Dec)
43.9140°, 26.8724°
Discovery Method
Radial Velocity
Discovery Year
2022
Source ID: HD 18143 c
HD 18143 c orbits HD 18143 and was reported in 2022 and was detected with the Radial Velocity method.
Published measurements list a mass of 3,177.65 Earth masses and an orbital period of 28,982.42 days.
Catalog data places the system at about 22.5 parsecs from Earth and 2 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open HD 18143More planets in this system