Juno has Successfully Completed First Trajectory Correction Maneuver

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NASA’s solar-powered Juno spacecraft successfully refined its flight path Wednesday with the mission’s first trajectory correction maneuver. The maneuver took place on February  1. It is the first of a dozen planned rocket firings that, over the next five years, will keep Juno on course for its rendezvous with Jupiter.



The trajectory correction maneuver, which adjusts the spacecraft’s flight path, began at 10:10 a.m. PST (1:10 p.m. EST) on February 1. The Juno spacecraft’s thrusters fired for 25 minutes, consumed about 6.9 pounds (3.11 kilograms) of fuel and changed the spacecraft’s speed by 3.9 feet, or 1.2 meters, per second. The next big maneuver for Juno will occur in late August of 2012 when Juno executes its first of two deep space maneuvers to set the stage for its Earth flyby, and gravity assist, on its way to Jupiter.
Launched on August 5, 2011, Juno is 182 days and 279 million miles (449 million kilometers) into its five-year, 1,740-million-mile (2,800-million-kilometer) journey to Jupiter. Once in orbit, the spacecraft will orbit the planet’s poles 33 times and use its collection of eight science instruments to probe beneath the gas giant’s obscuring cloud cover to learn more about Jupiter’s origins, structure, atmosphere and magnetosphere, and look for a potential solid planetary core.
source:www.nasa.gov
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