Terrestrial planet · Proxima Cen
Proxima Cen d
ExoplanetsDiscovered 2025
Scientific overview
Proxima Cen d is a terrestrial planet orbiting Proxima Cen, completing an orbit every 5 days, about 4 light-years from Earth. It was discovered in 2025 using the radial velocity method.
Host star
Planetary system — Proxima Cen system
View the Proxima Cen system (2 known planets).
| Planet | Class | Radius (R⊕) | Period (d) | Distance (ly) |
|---|---|---|---|---|
| Proxima Cen dRadial Velocity · 2025 | Terrestrial planet | 0.69 | 5.1234 | 4 |
| Proxima Cen bRadial Velocity · 2016 | Terrestrial planet | 1.02 | 11.1847 | 4 |
Discovery and detection
Knowledge connections
- OrbitsProxima Centauri
- Member of systemProxima Cen system
- Discovered by methodRadial Velocity Method
- Discovered atLa Silla Observatory
- Catalogued inNASA Exoplanet Archive