HD 33142 b
Orbiting HD 33142
HD 33142 b is an exoplanet orbiting the star HD 33142, discovered in 2011 using the Radial Velocity method.
Minimum Mass (M sin i)
400.46
Earth masses
Orbital Period
330.0
days
Distance
121.4
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
400.46
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Trifonov et al. 2022
Orbital Period
330.000+0.400−0.400days
Semi-Major Axis
1.0740+0.0070−0.0070au
M sin(i) (Earth masses)
400.46+15.89−15.89
M sin(i) (Jupiter masses)
1.2600+0.0500−0.0500
Eccentricity
0.0490+0.0320−0.0300
Argument of Periastron
129.0+46.0−38.0deg
Radial Velocity Semi-Amplitude
28.10+1.10−1.10m/s
Distance from Earth
121.4 pc (~396 ly)
Spectral Type
K0 III
Temperature
5025 K
Mass (Solar)
1.52 M☉
Radius (Solar)
4.17 R☉
Luminosity
1.00 log L☉
Planets in System
3
Stars in System
1
Coordinates (RA, Dec)
76.8981°, -13.9863°
Discovery Method
Radial Velocity
Discovery Year
2011
Source ID: HD 33142 b
HD 33142 b orbits HD 33142 and was reported in 2011 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 400.46 Earth masses (M sin i) and an orbital period of 330 days.
Catalog data places the system at about 121.4 parsecs from Earth, a host star classified as K0 III, and 3 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open HD 33142More planets in this system