Exoplanet

HD 142 c

Orbiting HD 142

Overview

HD 142 c is an exoplanet orbiting the star HD 142, discovered in 2012 using the Radial Velocity method.

Key Measurements

Mass

3464.65

Earth masses

0500 M⊕

Orbital Period

10159.6

days

0.1d10,000d

Distance

26.2

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Mass (Earth masses)

3464.65

Measured

Equilibrium Temperature

Unknown

Parameter source: Feng et al. 2022

Orbital Period

10159.643+380.840321.751days

Semi-Major Axis

9.8110+0.51500.5200au

Planet Mass (Earth masses)

3464.65+406.18297.81

Planet Mass (Jupiter masses)

10.9010+1.27800.9370

Eccentricity

0.2770+0.02600.0270

Epoch of Periastron

2447170.56+378.65464.60days(BJD)

Argument of Periastron

279.1+5.26.0deg

Radial Velocity Semi-Amplitude

93.18+2.092.17m/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

2012

Data Sources

Source ID: HD 142 c

System Context

HD 142 c orbits HD 142 and was reported in 2012 and was detected with the Radial Velocity method.

Published measurements list a mass of 3,464.65 Earth masses and an orbital period of 10,159.64 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 142

More planets in this system

HD 142 c