description 55 Cancri c Overview
55 Cancri c is a confirmed Neptune-class exoplanet orbiting the G-type star 55 Cancri, also known as Copernicus. Radial-velocity observations identified it in 2002 as the second planet in the system then known, and its orbit takes about 44 days at a distance of approximately 0.24 astronomical units. It lies between the system's innermost hot planet and its more distant giant planets, forming part of a multi-planet architecture.
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How good is 55 Cancri c?
55 Cancri c scores 6.44/10 (Fair) on Lunoo, making it rated in the Exoplanet category.
What are the best alternatives to 55 Cancri c?
See our alternatives page for 55 Cancri c for a ranked list with scores. Top alternatives include: HD 69830 b, HD 69830 c, HD 10180 e.
How does 55 Cancri c compare to HD 69830 b?
See our detailed comparison of 55 Cancri c vs HD 69830 b with scores, features, and an AI-powered verdict.
Is 55 Cancri c worth it in 2026?
With a score of 6.44/10, 55 Cancri c is a solid option in Exoplanet. See all Exoplanet ranked.
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