SHEPHERD: A Concept for Gentle Asteroid Retrieval with a Gas-Filled Enclosure

Illustration of the SHEPHERD Concept. Credits: Peter Jenniskens, et al., New Space (2015)

Although somewhat dated this paper is still relevant and the technology is not only feasible, its open source and available for any startup company interested in capitalizing on the the resources available from asteroid mining. Be sure and catch the Ted Talk by Dr. Bruce Damer himself.