Exoplanet

HD 82943 c

Orbiting HD 82943

Overview

HD 82943 c is an exoplanet orbiting the star HD 82943, discovered in 2003 using the Radial Velocity method.

Key Measurements

Mass

622.60

Earth masses

0500 M⊕

Orbital Period

220.1

days

0.1d10,000d

Distance

27.6

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Mass (Earth masses)

622.60

Measured

Equilibrium Temperature

Unknown

Parameter source: Baluev & Beaugé 2014

Orbital Period

220.078+0.0510.051days

Semi-Major Axis

0.7435+0.00010.0001au

Planet Mass (Earth masses)

622.60+14.9414.94

Planet Mass (Jupiter masses)

1.9590+0.04700.0470

Eccentricity

0.3663+0.00970.0097

Argument of Periastron

117.2+1.71.7deg

Radial Velocity Semi-Amplitude

65.40+1.501.50m/s

Distance from Earth

27.6 pc (~90 ly)

Spectral Type

Unknown

Temperature

5935 K

Mass (Solar)

1.08 M☉

Radius (Solar)

1.18 R☉

Luminosity

0.19 log L☉

Planets in System

2

Stars in System

1

Coordinates (RA, Dec)

143.7114°, -12.1303°

Discovery Method

Radial Velocity

Discovery Year

2003

Data Sources

Source ID: HD 82943 c

System Context

HD 82943 c orbits HD 82943 and was reported in 2003 and was detected with the Radial Velocity method.

Published measurements list a mass of 622.6 Earth masses and an orbital period of 220.08 days.

Catalog data places the system at about 27.6 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 82943

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