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HD 21749 b - Exoplanet
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HD 21749 b

description HD 21749 b Overview

Discovered by NASA's TESS satellite in 2019, HD 21749 b is a sub-Neptune exoplanet notable for having one of the longest orbital periods of any planet found by the initial TESS mission.

insights Ranking position

HD 21749 b ranks #136 of 264 in the Exoplanet ranking, behind Kepler-90g, ahead of 55 Cancri c.

help HD 21749 b FAQ

How good is HD 21749 b?
HD 21749 b scores 6.44/10 (Fair) on Lunoo, making it rated in the Exoplanet category.
What are the best alternatives to HD 21749 b?
See our alternatives page for HD 21749 b for a ranked list with scores. Top alternatives include: TOI-178 d, TOI-178 g, TOI-178 f.
How does HD 21749 b compare to TOI-178 d?
See our detailed comparison of HD 21749 b vs TOI-178 d with scores, features, and an AI-powered verdict.
Is HD 21749 b worth it in 2026?
With a score of 6.44/10, HD 21749 b is a solid option in Exoplanet. See all Exoplanet ranked.

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