HD 87816 b
Orbiting HD 87816
HD 87816 b is an exoplanet orbiting the star HD 87816, discovered in 2025 using the Radial Velocity method.
Minimum Mass (M sin i)
2142.16
Earth masses
Orbital Period
484.2
days
Distance
133.2
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
2142.16
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Fontanet et al. 2025
Orbital Period
484.170+0.130−0.120days
Semi-Major Axis
1.6180+0.0003−0.0003au
M sin(i) (Earth masses)
2142.16+41.32−41.32
M sin(i) (Jupiter masses)
6.7400+0.1300−0.1300
Eccentricity
0.7800+0.0050−0.0050
Argument of Periastron
337.1+1.2−1.2deg
Radial Velocity Semi-Amplitude
155.03+2.80−2.78m/s
Distance from Earth
133.2 pc (~435 ly)
Spectral Type
K0 III
Temperature
4989 K
Mass (Solar)
2.41 M☉
Radius (Solar)
9.00 R☉
Luminosity
1.66 log L☉
Planets in System
2
Stars in System
1
Coordinates (RA, Dec)
151.5297°, -52.1879°
Discovery Method
Radial Velocity
Discovery Year
2025
Source ID: HD 87816 b
HD 87816 b orbits HD 87816 and was reported in 2025 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 2,142.16 Earth masses (M sin i) and an orbital period of 484.17 days.
Catalog data places the system at about 133.2 parsecs from Earth, a host star classified as K0 III, 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 87816More planets in this system