Proxima Centauri b

Closest known exoplanet (~4.2 ly); Earth-mass world in the habitable zone of our nearest stellar neighbor.

Wikipedia

Host: Proxima Centauri

ID
Proxima Centauri b
Distance
1.30 pc · 4.2 ly
Parallax
768.07 mas
Magnitude (G)
11.13
Color (BP-RP)
2.80
Radius
0.15 R☉
RA · Dec
217.43° · -62.68°