description YZ Ceti b Overview
YZ Ceti b is a small exoplanet detected by radial-velocity measurements around YZ Ceti, a nearby M dwarf about 12 light-years from the Sun. It is the innermost of three known planets in that system and completes an orbit in about two days. Its close orbit exposes it to much stronger stellar irradiation than Earth receives, so it is not generally treated as a temperate or habitable-zone world.
help YZ Ceti b FAQ
How good is YZ Ceti b?
YZ Ceti b scores 6.26/10 (Fair) on Lunoo, making it rated in the Exoplanet category.
What are the best alternatives to YZ Ceti b?
See our alternatives page for YZ Ceti b for a ranked list with scores. Top alternatives include: Gliese 581 b, YZ Ceti c, YZ Ceti d.
How does YZ Ceti b compare to Gliese 581 b?
See our detailed comparison of YZ Ceti b vs Gliese 581 b with scores, features, and an AI-powered verdict.
Is YZ Ceti b worth it in 2026?
With a score of 6.26/10, YZ Ceti b is a solid option in Exoplanet. See all Exoplanet ranked.
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