Original: Additionally, since this AO system provides an excellent and stable correction (angular resolution of 0.060 arcsec in K band), a 15-km moonlet at 1000 km of Hektor's primary was detected.
Simplified: Additionally, since this AO system provides an excellent and stable correction (angular resolution of 0.060 arcsec in K band), a 15-km moon at 1000 km from Hektor was found.