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Kepler-138 e

Orbiting Kepler-138, discovered in 2022 (7527) by Multiple Observatories via the Transit Timing Variations method.

Planet

RadiusUnknown
Mass0.43 M⊕
Orbital period38.23 Earth days (~0.1 Earth years)
Orbital eccentricity0.112
Equilibrium temperature292 K (19 °C)

Host star — Kepler-138

Temperature3841 K (3568 °C)
Radius0.54 R☉
Mass0.54 M☉

Location

Distance from Earth66.9 pc (~218 light-years)
Right ascension / Declination290.3814 / 43.2931

Last refreshed 2026-09-13 from NASA's Exoplanet Archive.