Exoplanet

GJ 581 e

Orbiting GJ 581

Overview

GJ 581 e is an exoplanet orbiting the star GJ 581, discovered in 2009 using the Radial Velocity method.

Key Measurements

Mass

2.48

Earth masses

0500 M⊕

Orbital Period

3.1

days

0.1d10,000d

Distance

6.3

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Mass (Earth masses)

2.48

Measured

Equilibrium Temperature

Unknown

Orbital Period

3.15 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

2009

Data Sources

Source ID: GJ 581 e

System Context

GJ 581 e orbits GJ 581 and was reported in 2009 and was detected with the Radial Velocity method.

Published measurements list a mass of 2.48 Earth masses and an orbital period of 3.15 days.

Catalog data places the system at about 6.3 parsecs from Earth, a host star classified as M3.0 V, and 3 known planets in the system.

Host star

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

Open GJ 581

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