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HD 128311 b - Exoplanet
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HD 128311 b

description HD 128311 b Overview

HD 128311 b is a gas giant exoplanet orbiting the K-type star HD 128311 about 53 light-years away, discovered in 2002 via radial-velocity measurements from the Anglo-Australian Planet Search.

insights Why this score

HD 128311 b ranks #189 of 269 in the Exoplanet ranking, behind 61 Virginis d, ahead of WASP-79b.

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How good is HD 128311 b?
HD 128311 b scores 5.98/10 (Mediocre) on Lunoo, making it rated in the Exoplanet category.
What are the best alternatives to HD 128311 b?
See our alternatives page for HD 128311 b for a ranked list with scores. Top alternatives include: 55 Cancri b, Upsilon Andromedae c, HD 160691 b.
How does HD 128311 b compare to 55 Cancri b?
See our detailed comparison of HD 128311 b vs 55 Cancri b with scores, features, and an AI-powered verdict.
Is HD 128311 b worth it in 2026?
With a score of 5.98/10, HD 128311 b is a solid option in Exoplanet. See all Exoplanet ranked.

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