Exoplanet

HD 10442 b

Orbiting HD 10442

Overview

HD 10442 b is an exoplanet orbiting the star HD 10442, discovered in 2014 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

472.61

Earth masses

0500 M⊕

Orbital Period

1032.3

days

0.1d10,000d

Distance

135.4

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

472.61

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Luhn et al. 2019

Orbital Period

1032.300+8.9008.900days

Semi-Major Axis

2.0100+0.12000.1200au

M sin(i) (Earth masses)

472.61+24.1624.16

M sin(i) (Jupiter masses)

1.4870+0.07600.0760

Eccentricity

0.1320+0.04400.0440

Epoch of Periastron

2457226.00+69.0069.00days(JD)

Argument of Periastron

262.0+25.025.0deg

Radial Velocity Semi-Amplitude

29.90+1.601.60m/s

Distance from Earth

135.4 pc (~442 ly)

Spectral Type

Unknown

Temperature

4912 K

Mass (Solar)

1.01 M☉

Radius (Solar)

1.97 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

25.4715°, 2.7044°

Discovery Method

Radial Velocity

Discovery Year

2014

Data Sources

Source ID: HD 10442 b

System Context

HD 10442 b orbits HD 10442 and was reported in 2014 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 472.61 Earth masses (M sin i) and an orbital period of 1,032.3 days.

Catalog data places the system at about 135.4 parsecs from Earth 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 10442