China uses 'gravitational slingshots' to save 2 satellites that were stuck in the wrong orbit for 123 days - Live Science

Chinese engineers have rescued two satellites that were stuck in the wrong orbit using a novel 'gravitational slingshot' method.On March 15th at 8:15 p.m. Beijing time (March 14th at 8:42?p.m. EDT; 5:42 p.m. PDT), China launched two satellites atop a Yuanzheng-1S mounted on a Long March-2C rocket. While the first and second s…