Exoplanet
Proxima Cen b
Orbiting Proxima Cen
Overview
Proxima Cen b is an exoplanet orbiting the star Proxima Cen, discovered in 2016 using the Radial Velocity method.
Key Measurements
Orbital Period
11.2
days
0.1d10,000d
Distance
1.3
parsecs
Nearby10,000 pc
Equilibrium Temp
218
K
150 K3,500 K
Radius (Earth radii)
Unknown
Mass (Earth masses)
Unknown
Equilibrium Temperature
218 K
Orbital Period
11.18 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
2016
Data Sources
Source ID: Proxima Cen b