What are the key differences between Kepler-186c and Kepler-138c?

Compare Kepler-186c and Kepler-138c side by side on Lunoo to see detailed feature differences, AI scores, and expert analysis.

How are Kepler-186c and Kepler-138c scored?

Kepler-186c has an AI score of 5.3/10 and Kepler-138c has an AI score of 8.4/10. Scores are based on category fit, feature coverage, pricing signals, public reception, and recency.

Kepler-186c vs Kepler-138c 2026 - Compared

Kepler-186c

Kepler-138c

WINNER Kepler-138c

Kepler-138c edges ahead with a score of 7.7/10 compared to 4.9/10 for Kepler-186c. While both are highly rated in their...

Kepler-138c edges ahead with a score of 7.7/10 compared to 4.9/10 for Kepler-186c. While both are highly rated in their respective fields, Kepler-138c demonstrates a slight advantage in our AI ranking criteria. A detailed AI-powered analysis is being prepared for this comparison.

emoji_events Winner: Kepler-138c

verified Confidence: Low

description Overview

Kepler-186c

Second planet in the five-planet Kepler-186 system, a super-Earth completing an orbit around its M-dwarf every ~7.3 days, announced in April 2014 alongside the first Earth-sized habitable-zone planet.

Kepler-138c

Kepler-138c is a super-Earth exoplanet located in the Kepler-138 system, confirmed by NASA's Kepler space telescope in 2015. It orbits its M-dwarf host star every 13.8 days and is believed to be a water world, with a significant portion of its mass consisting of water. The planet orbits in near resonance with the adjacent Mars-sized companion Kepler-138b. Astronomers study this planet to understan...