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WASP-138 b
Orbiting WASP-138, discovered in 2016 (7521) by SuperWASP via the Transit method.
Planet
| Radius | 12.22 R⊕ |
| Mass | 387.75 M⊕ |
| Orbital period | 3.63 Earth days (~0.0 Earth years) |
| Orbital eccentricity | Unknown |
| Equilibrium temperature | 1590 K (1317 °C) |
Host star — WASP-138
| Temperature | 6272 K (5999 °C) |
| Radius | 1.36 R☉ |
| Mass | 1.22 M☉ |
Location
| Distance from Earth | 414.2 pc (~1351 light-years) |
| Right ascension / Declination | 41.6392 / -0.4641 |
Last refreshed 2026-09-13 from NASA's Exoplanet Archive.