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K2-229b - Exoplanet
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K2-229b

description K2-229b Overview

K2-229b is a hot, dense, Earth-sized exoplanet discovered by the Kepler space telescope in 2018, notable for having an extremely large iron core resembling the planet Mercury.

insights Why this score

K2-229b ranks #138 of 269 in the Exoplanet ranking, behind Kepler-90g, ahead of 55 Cancri c.

help K2-229b FAQ

How good is K2-229b?
K2-229b scores 6.44/10 (Fair) on Lunoo, making it rated in the Exoplanet category.
What are the best alternatives to K2-229b?
See our alternatives page for K2-229b for a ranked list with scores. Top alternatives include: 55 Cancri e, Kepler-78b, CoRoT-7b.
How does K2-229b compare to 55 Cancri e?
See our detailed comparison of K2-229b vs 55 Cancri e with scores, features, and an AI-powered verdict.
Is K2-229b worth it in 2026?
With a score of 6.44/10, K2-229b is a solid option in Exoplanet. See all Exoplanet ranked.

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