Exoplanet

HD 128311 c

Orbiting HD 128311

Overview

HD 128311 c is an exoplanet orbiting the star HD 128311, discovered in 2005 using the Radial Velocity method.

Key Measurements

Mass

1204.26

Earth masses

0500 M⊕

Orbital Period

921.5

days

0.1d10,000d

Distance

16.3

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Mass (Earth masses)

1204.26

Measured

Equilibrium Temperature

Unknown

Orbital Period

921.54 days

Distance from Earth

16.3 pc (~53 ly)

Spectral Type

Unknown

Temperature

Unknown

Mass (Solar)

0.83 M☉

Radius (Solar)

0.76 R☉

Luminosity

Unknown

Planets in System

2

Stars in System

1

Coordinates (RA, Dec)

219.0032°, 9.7454°

Discovery Method

Radial Velocity

Discovery Year

2005

Data Sources

Source ID: HD 128311 c

System Context

HD 128311 c orbits HD 128311 and was reported in 2005 and was detected with the Radial Velocity method.

Published measurements list a mass of 1,204.26 Earth masses and an orbital period of 921.54 days.

Catalog data places the system at about 16.3 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 128311

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