Exoplanet

HD 6434 b

Orbiting HD 6434

Overview

HD 6434 b is an exoplanet orbiting the star HD 6434, discovered in 2003 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

155.74

Earth masses

0500 M⊕

Orbital Period

22.0

days

0.1d10,000d

Distance

42.4

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

155.74

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Stassun et al. 2017

Orbital Period

21.998+0.0090.009days

Semi-Major Axis

0.1400+0.00000.0000au

M sin(i) (Earth masses)

155.74+12.7112.71

M sin(i) (Jupiter masses)

0.4900+0.04000.0400

Eccentricity

0.1700+0.03000.0300

Radial Velocity Semi-Amplitude

34.20+1.101.10m/s

Distance from Earth

42.4 pc (~138 ly)

Spectral Type

Unknown

Temperature

5769 K

Mass (Solar)

1.10 M☉

Radius (Solar)

1.12 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

16.1663°, -39.4905°

Discovery Method

Radial Velocity

Discovery Year

2003

Data Sources

Source ID: HD 6434 b

System Context

HD 6434 b orbits HD 6434 and was reported in 2003 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 155.74 Earth masses (M sin i) and an orbital period of 22 days.

Catalog data places the system at about 42.4 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 6434
HD 6434 b