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K2-9 b
Orbiting K2-9, discovered in 2015 (7520) by K2 via the Transit method.
Planet
| Radius | 2.25 R⊕ |
| Mass | Unknown |
| Orbital period | 18.45 Earth days (~0.1 Earth years) |
| Orbital eccentricity | Unknown |
| Equilibrium temperature | 314 K (41 °C) |
Host star — K2-9
| Temperature | 3390 K (3117 °C) |
| Radius | 0.31 R☉ |
| Mass | 0.30 M☉ |
Location
| Distance from Earth | 83.0 pc (~271 light-years) |
| Right ascension / Declination | 176.2637 / 0.0054 |
Last refreshed 2026-09-13 from NASA's Exoplanet Archive.