Space.com NASA Jupiter Probe Makes 4th Flyby of Giant Planet 3 February 2017 fborgosano Leave a comment Share: Juno skimmed about 2,670 miles (4,300 kilometers) above Jupiter’s cloud tops at 7:57 a.m. EST (1257 GMT) today, zooming by at 129,000 mph (208,000 km/h) relative to the giant planet, NASA officials said. from Space.com bit.ly/2jCU1E4 Share: