HD 142 b
Orbiting HD 142
HD 142 b is an exoplanet orbiting the star HD 142, discovered in 2001 using the Radial Velocity method.
Minimum Mass (M sin i)
396.97
Earth masses
Orbital Period
351.4
days
Distance
26.2
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
396.97
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Feng et al. 2022
Orbital Period
351.434+0.375−0.378days
Semi-Major Axis
1.0390+0.0460−0.0510au
M sin(i) (Earth masses)
396.97+38.14−41.32
M sin(i) (Jupiter masses)
1.2490+0.1200−0.1300
Eccentricity
0.1580+0.0330−0.0300
Epoch of Periastron
2450530.68+13.13−13.48days(BJD)
Argument of Periastron
279.5+13.0−13.4deg
Radial Velocity Semi-Amplitude
32.04+1.06−1.11m/s
Distance from Earth
26.2 pc (~85 ly)
Spectral Type
Unknown
Temperature
Unknown
Mass (Solar)
1.21 M☉
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
3
Stars in System
2
Coordinates (RA, Dec)
1.5837°, -49.0754°
Discovery Method
Radial Velocity
Discovery Year
2001
Source ID: HD 142 b
HD 142 b orbits HD 142 and was reported in 2001 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 396.97 Earth masses (M sin i) and an orbital period of 351.43 days.
Catalog data places the system at about 26.2 parsecs from Earth 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 142More planets in this system