description HD 3651 b Overview
HD 3651 b is a giant exoplanet discovered through radial-velocity observations of the K-type star HD 3651. Reported in 2003, it has a mass broadly comparable to Saturn and follows an eccentric orbit around its host star. The wider system also contains HD 3651 B, a directly imaged T-dwarf brown-dwarf companion, making it a useful example of a system with both planetary and substellar companions.
help HD 3651 b FAQ
How good is HD 3651 b?
HD 3651 b scores 5.89/10 (Mediocre) on Lunoo, making it rated in the Exoplanet category.
What are the best alternatives to HD 3651 b?
See our alternatives page for HD 3651 b for a ranked list with scores. Top alternatives include: HD 99109 b, HD 128311 b, HD 168443 b.
How does HD 3651 b compare to HD 99109 b?
See our detailed comparison of HD 3651 b vs HD 99109 b with scores, features, and an AI-powered verdict.
Is HD 3651 b worth it in 2026?
With a score of 5.89/10, HD 3651 b is a solid option in Exoplanet. See all Exoplanet ranked.
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