description HD 21749 c Overview
HD 21749 c is a transiting planet with a radius estimated at about 0.9 Earth radii and an orbital period of approximately 7.8 days. NASA's TESS mission detected the transit around the K-type star HD 21749, and the planet was announced in 2019 as the mission's first roughly Earth-sized discovery. The same system also contains HD 21749 b, a larger planet on a longer orbit.
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How good is HD 21749 c?
HD 21749 c scores 6.26/10 (Fair) on Lunoo, making it rated in the Exoplanet category.
What are the best alternatives to HD 21749 c?
See our alternatives page for HD 21749 c for a ranked list with scores. Top alternatives include: TOI-700 b, L 98-59 b, HD 21749 b.
How does HD 21749 c compare to TOI-700 b?
See our detailed comparison of HD 21749 c vs TOI-700 b with scores, features, and an AI-powered verdict.
Is HD 21749 c worth it in 2026?
With a score of 6.26/10, HD 21749 c is a solid option in Exoplanet. See all Exoplanet ranked.
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