HD 103891 b
Orbiting HD 103891
HD 103891 b is an exoplanet orbiting the star HD 103891, discovered in 2022 using the Radial Velocity method.
Minimum Mass (M sin i)
457.67
Earth masses
Orbital Period
1919.0
days
Distance
55.5
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
457.67
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Sreenivas et al. 2022
Orbital Period
1919.000+14.000−15.000days
Semi-Major Axis
3.2700+0.0200−0.0100au
M sin(i) (Earth masses)
457.67+19.07−15.89
M sin(i) (Jupiter masses)
1.4400+0.0600−0.0500
Eccentricity
0.3100+0.0300−0.0300
Epoch of Periastron
2455245.00+19.00−19.00days(JD)
Argument of Periastron
181.5+8.1−8.2deg
Radial Velocity Semi-Amplitude
21.12+0.87−0.84m/s
Distance from Earth
55.5 pc (~181 ly)
Spectral Type
F9
Temperature
6072 K
Mass (Solar)
1.28 M☉
Radius (Solar)
2.22 R☉
Luminosity
0.79 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
179.4383°, -8.5486°
Discovery Method
Radial Velocity
Discovery Year
2022
Source ID: HD 103891 b
HD 103891 b orbits HD 103891 and was reported in 2022 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 457.67 Earth masses (M sin i) and an orbital period of 1,919 days.
Catalog data places the system at about 55.5 parsecs from Earth, a host star classified as F9, 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 103891