HD 216520 c
Orbiting HD 216520
HD 216520 c is an exoplanet orbiting the star HD 216520, discovered in 2020 using the Radial Velocity method.
Minimum Mass (M sin i)
9.44
Earth masses
Orbital Period
154.4
days
Distance
19.6
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
9.44
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Burt et al. 2021
Orbital Period
154.430+0.440−0.440days
Semi-Major Axis
0.5280+0.0100−0.0100au
M sin(i) (Earth masses)
9.44+1.63−1.63
M sin(i) (Jupiter masses)
0.0297+0.0051−0.0051
Eccentricity
0.1200+0.0800−0.0800
Argument of Periastron
198.1+96.3−96.3deg
Radial Velocity Semi-Amplitude
1.29+0.22−0.22m/s
Distance from Earth
19.6 pc (~64 ly)
Spectral Type
Unknown
Temperature
5103 K
Mass (Solar)
0.82 M☉
Radius (Solar)
0.76 R☉
Luminosity
-0.45 log L☉
Planets in System
2
Stars in System
1
Coordinates (RA, Dec)
341.8769°, 83.6975°
Discovery Method
Radial Velocity
Discovery Year
2020
Source ID: HD 216520 c
HD 216520 c orbits HD 216520 and was reported in 2020 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 9.44 Earth masses (M sin i) and an orbital period of 154.43 days.
Catalog data places the system at about 19.6 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 216520More planets in this system