description HD 40307 b Overview
The innermost of three super-Earths discovered in 2008 around K-type star HD 40307, approximately 42 light-years away, with an orbital period of just 4.3 days.
insights Why this score
HD 40307 b ranks #151 of 269 in the Exoplanet ranking, behind 55 Cancri c, ahead of GJ 357 b.
help HD 40307 b FAQ
How good is HD 40307 b?
HD 40307 b scores 6.26/10 (Fair) on Lunoo, making it rated in the Exoplanet category.
What are the best alternatives to HD 40307 b?
See our alternatives page for HD 40307 b for a ranked list with scores. Top alternatives include: 61 Virginis b, HD 10180 b, HD 10180 c.
How does HD 40307 b compare to 61 Virginis b?
See our detailed comparison of HD 40307 b vs 61 Virginis b with scores, features, and an AI-powered verdict.
Is HD 40307 b worth it in 2026?
With a score of 6.26/10, HD 40307 b is a solid option in Exoplanet. See all Exoplanet ranked.
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