HD 156668 c
Orbiting HD 156668
HD 156668 c is an exoplanet orbiting the star HD 156668, discovered in 2021 using the Radial Velocity method.
Minimum Mass (M sin i)
31.50
Earth masses
Orbital Period
811.3
days
Distance
24.3
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
31.50
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Rosenthal et al. 2021
Orbital Period
811.300+5.200−5.300days
Semi-Major Axis
1.5700+0.0170−0.0170au
M sin(i) (Earth masses)
31.50+2.51−2.45
M sin(i) (Jupiter masses)
0.0991+0.0079−0.0077
Eccentricity
0.0890+0.0840−0.0610
Argument of Periastron
-10.9+52.7−42.4deg
Radial Velocity Semi-Amplitude
2.56+0.20−0.20m/s
Distance from Earth
24.3 pc (~79 ly)
Spectral Type
Unknown
Temperature
4904 K
Mass (Solar)
0.79 M☉
Radius (Solar)
0.77 R☉
Luminosity
Unknown
Planets in System
2
Stars in System
1
Coordinates (RA, Dec)
259.4183°, 29.2282°
Discovery Method
Radial Velocity
Discovery Year
2021
Source ID: HD 156668 c
HD 156668 c orbits HD 156668 and was reported in 2021 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 31.5 Earth masses (M sin i) and an orbital period of 811.3 days.
Catalog data places the system at about 24.3 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 156668More planets in this system