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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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Proxima Cen · ExoAtlas

Proxima Cen

Star 4.24 light-years from the Sun with 2 known planets

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Planets

Proxima Cen dRocky planet, temperate
Proxima Cen bRocky planet, cold

Star

Spectral type: M5.5 V
Temperature: 2,900 K
Radius: 0.141 × Sun
Mass: 0.122 × Sun
Brightness seen from Earth: 11 mag
Distance: 4.24 ly (1.3 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: 217.3935°
Declination: -62.6762°
Catalogue names: HIP 70890, Gaia DR3 5853498713190525696