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K2-17 b
Orbiting K2-17, discovered in 2015 (7520) by K2 via the Transit method.
Planet
| Radius | 2.23 R⊕ |
| Mass | Unknown |
| Orbital period | 17.97 Earth days (~0.0 Earth years) |
| Orbital eccentricity | Unknown |
| Equilibrium temperature | 487 K (214 °C) |
Host star — K2-17
| Temperature | 4320 K (4047 °C) |
| Radius | 0.66 R☉ |
| Mass | 0.71 M☉ |
Location
| Distance from Earth | 125.1 pc (~408 light-years) |
| Right ascension / Declination | 178.3297 / 6.4123 |
Last refreshed 2026-09-13 from NASA's Exoplanet Archive.