Alpha Centauri is the closest star system and closest planetary system to the Solar System at 4.37 light-years from the Sun. It's made up of 3 stars Alpha Centauri A, Alpha Centauri B, and Alpha Centauri C which is most commonly called Proxima Centauri.

Distance to Earth: 4.367 light years

Period (P): 79.91±0.011 yr

Constellation: Centaurus

Coordinates: RA 14h 39m 37s | Dec -60° 50′ 2″

Eccentricity (e): 0.5179±0.00076