description HD 217107 c Overview
HD 217107 c is a long-period giant exoplanet orbiting the star HD 217107 in the constellation Pisces. It was inferred from extended radial-velocity monitoring of a system that also contains the short-period planet HD 217107 b. The outer planet has a minimum mass of roughly two to three Jupiter masses and an orbit lasting several years. Its gravitational influence has been considered in discussions of the unusual orbital properties of the inner planet.
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How good is HD 217107 c?
HD 217107 c scores 5.52/10 (Mediocre) on Lunoo, making it rated in the Exoplanet category.
What are the best alternatives to HD 217107 c?
See our alternatives page for HD 217107 c for a ranked list with scores. Top alternatives include: HD 34445 b, HD 190360 b, HD 72659 b.
How does HD 217107 c compare to HD 34445 b?
See our detailed comparison of HD 217107 c vs HD 34445 b with scores, features, and an AI-powered verdict.
Is HD 217107 c worth it in 2026?
With a score of 5.52/10, HD 217107 c is a solid option in Exoplanet. See all Exoplanet ranked.
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