Newslink: NASA Spacecraft Begins Final Approach to Big Asteroid Bennu

The OSIRIS-REx spacecraft began its final approach toward the big near-Earth asteroid Bennu on Friday (Aug. 17). The milestone also marks the official start of OSIRIS-REx's "asteroid operations" mission phase.

https://www.space.com/41544-nasa-osiris-rex-asteroid-bennu-final-approach.html