Exoplanet

Proxima Cen d

Orbiting Proxima Cen

Overview

Proxima Cen d is an exoplanet orbiting the star Proxima Cen, discovered in 2025 using the Radial Velocity method.

Key Measurements

Orbital Period

5.1

days

0.1d10,000d

Distance

1.3

parsecs

Nearby10,000 pc

Equilibrium Temp

282

K

150 K3,500 K

Radius (Earth radii)

Unknown

Mass (Earth masses)

Unknown

Equilibrium Temperature

282 K

Orbital Period

5.12 days

Distance from Earth

1.3 pc (~4 ly)

Spectral Type

M5.5 V

Temperature

2900 K

Mass (Solar)

0.12 M☉

Radius (Solar)

0.14 R☉

Luminosity

-2.82 log L☉

Planets in System

2

Stars in System

3

Coordinates (RA, Dec)

217.3935°, -62.6762°

Discovery Method

Radial Velocity

Discovery Year

2025

Data Sources

Source ID: Proxima Cen d