Exoplanet

GJ 581 c

Orbiting GJ 581

Overview

GJ 581 c is an exoplanet orbiting the star GJ 581, discovered in 2007 using the Radial Velocity method.

Key Measurements

Mass

6.81

Earth masses

0500 M⊕

Orbital Period

12.9

days

0.1d10,000d

Distance

6.3

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Mass (Earth masses)

6.81

Measured

Equilibrium Temperature

Unknown

Orbital Period

12.92 days

Distance from Earth

6.3 pc (~21 ly)

Spectral Type

M3.0 V

Temperature

3500 K

Mass (Solar)

0.29 M☉

Radius (Solar)

0.30 R☉

Luminosity

-1.91 log L☉

Planets in System

3

Stars in System

1

Coordinates (RA, Dec)

229.8565°, -7.7227°

Discovery Method

Radial Velocity

Discovery Year

2007

Data Sources

Source ID: GJ 581 c