Planets Map Solar system

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 229 · ExoFinder

GJ 229

Star 18.8 light-years from the Sun with 2 known planets

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Planets

GJ 229 A cNeptune-like planet, cold
GJ 229 bNeptune-like planet, frozen

Star

Spectral type: M1.5V
Temperature: 3,564 K
Radius: 0.46 × Sun
Mass: 0.509 × Sun
Brightness seen from Earth: 8.15 mag
Distance: 18.8 ly (5.76 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: 92.6436°
Declination: -21.8677°
Catalogue names: HD 42581, HIP 29295, Gaia DR3 2940856402123426176