HD 89839 b
Orbiting HD 89839
HD 89839 b is an exoplanet orbiting the star HD 89839, discovered in 2023 using the Radial Velocity method.
Minimum Mass (M sin i)
1196.90
Earth masses
Orbital Period
3391.2
days
Distance
57.3
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
1196.90
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Standing et al. 2026
Orbital Period
3391.200+26.100−24.600days
Semi-Major Axis
4.7130+0.0450−0.0450au
M sin(i) (Earth masses)
1196.90+26.10−26.10
M sin(i) (Jupiter masses)
3.7659+0.0821−0.0821
Eccentricity
0.1850+0.0140−0.0140
Epoch of Periastron
2449842.20+60.20−60.20days(BJD)
Argument of Periastron
158.0+4.6−4.6deg
Radial Velocity Semi-Amplitude
45.65+0.63−0.60m/s
Distance from Earth
57.3 pc (~187 ly)
Spectral Type
Unknown
Temperature
Unknown
Mass (Solar)
1.21 M☉
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
155.1689°, -53.6640°
Discovery Method
Radial Velocity
Discovery Year
2023
Source ID: HD 89839 b
HD 89839 b orbits HD 89839 and was reported in 2023 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 1,196.9 Earth masses (M sin i) and an orbital period of 3,391.2 days.
Catalog data places the system at about 57.3 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 89839