description HD 177830 b Overview
HD 177830 b is a giant exoplanet orbiting the star HD 177830, a K-type star. It was announced in 1999 by a team led by Steven Vogt using radial-velocity observations from the Keck Observatory. The planet takes about 391 days to complete an orbit, placing its orbital period near one Earth year, and its measured orbit is close to circular. It is one of multiple known companions associated with the HD 177830 system.
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How good is HD 177830 b?
HD 177830 b scores 5.70/10 (Mediocre) on Lunoo, making it rated in the Exoplanet category.
What are the best alternatives to HD 177830 b?
See our alternatives page for HD 177830 b for a ranked list with scores. Top alternatives include: HD 27442 b, 55 Cancri f, HD 28185 b.
How does HD 177830 b compare to HD 27442 b?
See our detailed comparison of HD 177830 b vs HD 27442 b with scores, features, and an AI-powered verdict.
Is HD 177830 b worth it in 2026?
With a score of 5.70/10, HD 177830 b is a solid option in Exoplanet. See all Exoplanet ranked.
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