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Exoplanet data from the NASA Exoplanet Archive. Images of exoplanets are illustrations computed from the data, not photographs. Maps of the solar system: Solar System Scope. Sky panorama: ESO/S. Brunier. Both under CC BY 4.0, scaled down.

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GJ 581 · ExoFinder

GJ 581

Star 20.5 light-years from the Sun with 3 known planets

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Planets

GJ 581 eSuper-Earth, hot
GJ 581 bNeptune-like planet, hot
GJ 581 cNeptune-like planet, temperate

Star

Spectral type: M3.0 V
Temperature: 3,500 K
Radius: 0.302 × Sun
Mass: 0.295 × Sun
Brightness seen from Earth: 10.6 mag
Distance: 20.5 ly (6.3 pc)

Brightness is given in magnitudes: the smaller the number, the brighter the star. The faintest stars visible to the naked eye are around 6 mag.

Position

Right ascension: 229.8565°
Declination: -7.7227°
Catalogue names: HIP 74995, Gaia DR3 6322070093095493504