description Kepler-138c Overview
Super-Earth in the Kepler-138 system confirmed in 2015, orbiting its M-dwarf host every ~13.8 days in near orbital resonance with the adjacent Mars-sized companion Kepler-138b.
help Kepler-138c FAQ
How good is Kepler-138c?
Kepler-138c scores 8.40/10 (Great) on Lunoo, making it a well-rated option in the Exoplanet category.
What are the best alternatives to Kepler-138c?
See our alternatives page for Kepler-138c for a ranked list with scores. Top alternatives include: Kepler-138d, Kepler-62e, Kepler-442b.
How does Kepler-138c compare to Kepler-138d?
See our detailed comparison of Kepler-138c vs Kepler-138d with scores, features, and an AI-powered verdict.
Is Kepler-138c worth it in 2026?
With a score of 8.40/10, Kepler-138c is highly rated in Exoplanet. See all Exoplanet ranked.
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