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GJ 581 c
Orbiting GJ 581, discovered in 2007 (7512) by La Silla Observatory via the Radial Velocity method.
Planet
| Radius | Unknown |
| Mass | 6.81 M⊕ |
| Orbital period | 12.92 Earth days (~0.0 Earth years) |
| Orbital eccentricity | 0.032 |
| Equilibrium temperature | Unknown |
Host star — GJ 581
| Temperature | 3500 K (3227 °C) |
| Radius | 0.30 R☉ |
| Mass | 0.29 M☉ |
Location
| Distance from Earth | 6.3 pc (~21 light-years) |
| Right ascension / Declination | 229.8565 / -7.7227 |
Last refreshed 2026-09-14 from NASA's Exoplanet Archive.