description Proxima d Overview
A sub-Earth-mass planet candidate orbiting Proxima Centauri announced in 2022, with an estimated mass below 0.3 Earth masses and an orbital period of roughly five days.
insights Why this score
Proxima d ranks #213 of 217 in the Star ranking, behind Furud, ahead of Psi Serpentis.
Planet candidate rather than star, interesting Proxima system context but weak fit and uncertain status.
help Proxima d FAQ
How good is Proxima d?
Proxima d scores 6.70/10 (Fair) on Lunoo, making it rated in the Star category. Planet candidate rather than star, interesting Proxima system context but weak fit and uncertain status.
What are the best alternatives to Proxima d?
See our alternatives page for Proxima d for a ranked list with scores. Top alternatives include: Proxima Centauri, V645 Centauri, Teegarden's Star.
How does Proxima d compare to Proxima Centauri?
See our detailed comparison of Proxima d vs Proxima Centauri with scores, features, and an AI-powered verdict.
Is Proxima d worth it in 2026?
With a score of 6.70/10, Proxima d is a solid option in Star. See all Star ranked.
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