RemoveDebris: UK satellite tracks 'space junk'

The British-led mission to test techniques to clear up space junk has initiated its second experiment. The RemoveDebris satellite ejected a small object on Sunday and then tracked it using a camera and laser system. This vision-based navigation (VBN) technology essentially tells a pursuing spacecraft how its target is behaving - how it's moving and even tumbling. It would provide the information to safely approach the object ready for capture. RemoveDebris has already tested a net system. In that experiment, a small object was again ejected before having a mesh thrown around it. More

(Source: BBC News - Oct 31)