HD 126105 b
Orbiting HD 126105
HD 126105 b is an exoplanet orbiting the star HD 126105, discovered in 2026 using the Radial Velocity method.
Minimum Mass (M sin i)
530.77
Earth masses
Orbital Period
524.0
days
Distance
82.9
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
530.77
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Wittenmyer et al. 2026
Orbital Period
524.000+2.900−2.900days
Semi-Major Axis
1.3600+0.0500−0.0600au
M sin(i) (Earth masses)
530.77+60.39−54.03
M sin(i) (Jupiter masses)
1.6700+0.1900−0.1700
Eccentricity
0.1030+0.0830−0.0690
Epoch of Periastron
2455291.00+55.00−82.00days(BJD)
Argument of Periastron
155.0+45.0−45.0deg
Radial Velocity Semi-Amplitude
37.20+2.80−2.60m/s
Distance from Earth
82.9 pc (~270 ly)
Spectral Type
K1 III
Temperature
4875 K
Mass (Solar)
1.20 M☉
Radius (Solar)
4.21 R☉
Luminosity
0.95 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
216.0017°, -19.8011°
Discovery Method
Radial Velocity
Discovery Year
2026
Source ID: HD 126105 b
HD 126105 b orbits HD 126105 and was reported in 2026 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 530.77 Earth masses (M sin i) and an orbital period of 524 days.
Catalog data places the system at about 82.9 parsecs from Earth, a host star classified as K1 III, 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 126105