S55
Star
S55 is a star that is located very close to the centre of the Milky Way, near the radio source Sagittarius A*, orbiting it with an orbital period of 12.8 years. Wikipedia
Discovered: October 4, 2012
Discoverer: Andrea M. Ghez
Constellation: Sagittarius
Declination: −29° 0′ 28.118″
Distance: 26,674±42 ly; (8,178±13 pc)
Eccentricity (e): 0.721±0.008
Period (P): 12.8±0.1 yr