http://www.space.com/33883-juno-makes-closest-jupiter-flyby.html
Juno arrived at Jupiter July 4 after a five-year journey, and this will be the closest approach of the entire mission, with the spacecraft grazing over the tops of Jupiter’s clouds at a distance of just 2,600 miles (4,200 kilometers) at a speed of 130,000 mph (208,000 km/h).