TESS started science operations on July 25, 2018.[51] The first announced finding from the mission was the observation of comet C/2018 N1.[51] The first exoplanet detection announcement was on September 18, announcing the discovery of a super-Earth in the Pi Mensae system orbiting the star every 6 days, adding to a known super-Jupiter orbiting the same star every 5.9 years.[52]