description HD 99109 b Overview
Saturn-mass gas giant orbiting the K-type star HD 99109 with a roughly 440-day period, discovered via radial velocity and notable for its low host-star metallicity.
insights Why this score
HD 99109 b ranks #255 of 269 in the Exoplanet ranking, behind GJ 357 c, ahead of HD 86264 b.
help HD 99109 b FAQ
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 27442 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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