HD 86728 b
Orbiting HD 86728
HD 86728 b is an exoplanet orbiting the star HD 86728, discovered in 2025 using the Radial Velocity method.
Minimum Mass (M sin i)
9.43
Earth masses
Orbital Period
31.2
days
Distance
14.9
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
9.43
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Gupta et al. 2025
Orbital Period
31.151+0.006−0.007days
Semi-Major Axis
0.1916+0.0007−0.0006au
M sin(i) (Earth masses)
9.43+0.56−0.57
M sin(i) (Jupiter masses)
0.0297+0.0018−0.0018
Eccentricity
0.0670+0.0650−0.0460
Argument of Periastron
92.0+43.0−113.0deg
Radial Velocity Semi-Amplitude
1.97+0.12−0.12m/s
Distance from Earth
14.9 pc (~49 ly)
Spectral Type
Unknown
Temperature
5610 K
Mass (Solar)
0.97 M☉
Radius (Solar)
1.24 R☉
Luminosity
0.14 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
150.2501°, 31.9218°
Discovery Method
Radial Velocity
Discovery Year
2025
Source ID: HD 86728 b
HD 86728 b orbits HD 86728 and was reported in 2025 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 9.43 Earth masses (M sin i) and an orbital period of 31.15 days.
Catalog data places the system at about 14.9 parsecs from Earth and 1 known planet in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open HD 86728