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Kepler-138 e
Orbiting Kepler-138, discovered in 2022 (7527) by Multiple Observatories via the Transit Timing Variations method.
Planet
| Radius | Unknown |
| Mass | 0.43 M⊕ |
| Orbital period | 38.23 Earth days (~0.1 Earth years) |
| Orbital eccentricity | 0.112 |
| Equilibrium temperature | 292 K (19 °C) |
Host star — Kepler-138
| Temperature | 3841 K (3568 °C) |
| Radius | 0.54 R☉ |
| Mass | 0.54 M☉ |
Location
| Distance from Earth | 66.9 pc (~218 light-years) |
| Right ascension / Declination | 290.3814 / 43.2931 |
Last refreshed 2026-09-13 from NASA's Exoplanet Archive.