HD 155918 c
Orbiting HD 155918
HD 155918 c is an exoplanet orbiting the star HD 155918, discovered in 2022 using the Radial Velocity method.
Mass
1878.05
Earth masses
Orbital Period
17202.2
days
Distance
27.6
parsecs
Radius (Earth radii)
Unknown
Mass (Earth masses)
1878.05
Measured
Equilibrium Temperature
Unknown
Parameter source: Feng et al. 2022
Orbital Period
17202.194+2100.791−1950.035days
Semi-Major Axis
13.1830+1.1700−1.1790au
Planet Mass (Earth masses)
1878.05+207.54−243.46
Planet Mass (Jupiter masses)
5.9090+0.6530−0.7660
Eccentricity
0.0710+0.0510−0.0530
Epoch of Periastron
2435237.92+16765.08−999.61days(BJD)
Argument of Periastron
182.7+20.5−22.8deg
Radial Velocity Semi-Amplitude
24.02+1.31−1.68m/s
Distance from Earth
27.6 pc (~90 ly)
Spectral Type
Unknown
Temperature
Unknown
Mass (Solar)
1.03 M☉
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
2
Stars in System
1
Coordinates (RA, Dec)
260.5364°, -75.3492°
Discovery Method
Radial Velocity
Discovery Year
2022
Source ID: HD 155918 c
HD 155918 c orbits HD 155918 and was reported in 2022 and was detected with the Radial Velocity method.
Published measurements list a mass of 1,878.05 Earth masses and an orbital period of 17,202.19 days.
Catalog data places the system at about 27.6 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 155918More planets in this system