Exoplanet

HD 66428 c

Orbiting HD 66428

Overview

HD 66428 c is an exoplanet orbiting the star HD 66428, discovered in 2021 using the Radial Velocity method.

Key Measurements

Mass

560.65

Earth masses

0500 M⊕

Orbital Period

10478.8

days

0.1d10,000d

Distance

53.3

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Mass (Earth masses)

560.65

Measured

Equilibrium Temperature

Unknown

Parameter source: Feng et al. 2022

Orbital Period

10478.844+3362.5021953.187days

Semi-Major Axis

9.4080+1.94501.2670au

Planet Mass (Earth masses)

560.65+1081.8913.03

Planet Mass (Jupiter masses)

1.7640+3.40400.0410

Eccentricity

0.2070+0.09700.0980

Epoch of Periastron

2446117.61+2786.723631.42days(BJD)

Argument of Periastron

201.3+34.733.2deg

Radial Velocity Semi-Amplitude

16.57+2.871.73m/s

Distance from Earth

53.3 pc (~174 ly)

Spectral Type

Unknown

Temperature

Unknown

Mass (Solar)

1.01 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

2

Stars in System

1

Coordinates (RA, Dec)

120.8692°, -1.1636°

Discovery Method

Radial Velocity

Discovery Year

2021

Data Sources

Source ID: HD 66428 c

System Context

HD 66428 c orbits HD 66428 and was reported in 2021 and was detected with the Radial Velocity method.

Published measurements list a mass of 560.65 Earth masses and an orbital period of 10,478.84 days.

Catalog data places the system at about 53.3 parsecs from Earth and 2 known planets in the system.

Host star

Explore the stellar record for this system to compare temperature, spectral type, and known planets.

Open HD 66428

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