description K2-3 b Overview
A super-Earth exoplanet discovered in 2015 by NASA's K2 mission, notable for orbiting a nearby red dwarf star and being a prime candidate for atmospheric characterization.
insights Why this score
K2-3 b ranks #138 of 269 in the Exoplanet ranking, behind Kepler-90g, ahead of 55 Cancri c.
help K2-3 b FAQ
How good is K2-3 b?
K2-3 b scores 6.44/10 (Fair) on Lunoo, making it rated in the Exoplanet category.
What are the best alternatives to K2-3 b?
See our alternatives page for K2-3 b for a ranked list with scores. Top alternatives include: K2-3 c, K2-3 d, L 98-59 d.
How does K2-3 b compare to K2-3 c?
See our detailed comparison of K2-3 b vs K2-3 c with scores, features, and an AI-powered verdict.
Is K2-3 b worth it in 2026?
With a score of 6.44/10, K2-3 b is a solid option in Exoplanet. See all Exoplanet ranked.
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