ATV-3 slims down

Update from ESA’s Lionel Ferra at EAC Cologne. CoG refers to ‘centre of gravity’

A slim #ATV3! At start ATV weighted ±20t, today, we are down to 13.5t only. #ATVCC is currently calculating precise CoG for undocking.

— lionelferra (@lionelferra) September 11, 2012