description HD 99109 b Overview
HD 99109 b is a confirmed exoplanet orbiting the K-type star HD 99109. It is a gas giant with a mass comparable to Saturn and completes one orbit in roughly 440 days. The planet was detected through radial-velocity measurements and is associated with a relatively metal-poor host star, making the system useful for studying giant-planet formation around such stars.
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How good is HD 99109 b?
HD 99109 b scores 5.15/10 (Mediocre) on Lunoo, making it rated in the Exoplanet category.
What are the best alternatives to HD 99109 b?
See our alternatives page for HD 99109 b for a ranked list with scores. Top alternatives include: HD 3651 b, HD 128311 b, HD 168443 b.
How does HD 99109 b compare to HD 3651 b?
See our detailed comparison of HD 99109 b vs HD 3651 b with scores, features, and an AI-powered verdict.
Is HD 99109 b worth it in 2026?
With a score of 5.15/10, HD 99109 b is a solid option in Exoplanet. See all Exoplanet ranked.
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