Exoplanet

HD 142 A d

Orbiting HD 142

Overview

HD 142 A d is an exoplanet orbiting the star HD 142, discovered in 2022 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

82.64

Earth masses

0500 M⊕

Orbital Period

108.5

days

0.1d10,000d

Distance

26.2

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Minimum Mass, M sin(i) (Earth masses)

82.64

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Feng et al. 2022

Orbital Period

108.453+0.0900.088days

Semi-Major Axis

0.4740+0.02100.0230au

M sin(i) (Earth masses)

82.64+10.1711.44

M sin(i) (Jupiter masses)

0.2600+0.03200.0360

Eccentricity

0.1300+0.10300.0850

Epoch of Periastron

2450799.61+9.4625.86days(BJD)

Argument of Periastron

89.6+43.556.8deg

Radial Velocity Semi-Amplitude

9.83+0.940.93m/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

2022

Data Sources

Source ID: HD 142 A d

System Context

HD 142 A d orbits HD 142 and was reported in 2022 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 82.64 Earth masses (M sin i) and an orbital period of 108.45 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

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