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K2-3 b
Orbiting K2-3, discovered in 2015 (7520) by K2 via the Transit method.
Planet
| Radius | 2.08 R⊕ |
| Mass | 5.11 M⊕ |
| Orbital period | 10.05 Earth days (~0.0 Earth years) |
| Orbital eccentricity | 0.107 |
| Equilibrium temperature | 501 K (228 °C) |
Host star — K2-3
| Temperature | 3844 K (3571 °C) |
| Radius | 0.55 R☉ |
| Mass | 0.55 M☉ |
Location
| Distance from Earth | 44.1 pc (~144 light-years) |
| Right ascension / Declination | 172.3354 / -1.4551 |
Last refreshed 2026-09-13 from NASA's Exoplanet Archive.