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K2-18 c
Orbiting K2-18, discovered in 2017 (7522) by La Silla Observatory via the Radial Velocity method.
Planet
| Radius | Unknown |
| Mass | 7.51 M⊕ |
| Orbital period | 8.96 Earth days (~0.0 Earth years) |
| Orbital eccentricity | 0.470 |
| Equilibrium temperature | 363 K (90 °C) |
Host star — K2-18
| Temperature | 3457 K (3184 °C) |
| Radius | 0.41 R☉ |
| Mass | 0.36 M☉ |
Location
| Distance from Earth | 38.0 pc (~124 light-years) |
| Right ascension / Declination | 172.5601 / 7.5878 |
Last refreshed 2026-09-13 from NASA's Exoplanet Archive.