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K2-251 b
Orbiting K2-251, discovered in 2018 (7523) by K2 via the Transit method.
Planet
| Radius | 2.35 R⊕ |
| Mass | Unknown |
| Orbital period | 9.30 Earth days (~0.0 Earth years) |
| Orbital eccentricity | Unknown |
| Equilibrium temperature | 437 K (164 °C) |
Host star — K2-251
| Temperature | 3717 K (3444 °C) |
| Radius | 0.49 R☉ |
| Mass | 0.52 M☉ |
Location
| Distance from Earth | 147.0 pc (~480 light-years) |
| Right ascension / Declination | 190.6892 / -8.5360 |
Last refreshed 2026-09-13 from NASA's Exoplanet Archive.