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NASA Probe to Asteroid Bennu Slows Down

NASA Probe to Asteroid Bennu Slows Down

Sentinel Digital DeskBy : Sentinel Digital Desk

  |  4 Oct 2018 9:02 AM GMT

Washington: NASA’s first mission to visit a near-Earth asteroid, the OSIRIS-REx, has executed the first of a series of exercises to slow down the spacecraft’s speed to put it on course for its scheduled arrival at the asteroid Bennu in December. The spacecraft’s main engine thrusters fired in a braking manoeuvre designed to slow the spacecraft’s speed relative to Bennu from approximately 491 metre/seconc to 140 metre/second, NASA said in a statement on Wednesday.

The mission team will continue to examine telemetry and tracking data as they become available and will have more information on the results of the first “Asteroid Approach Manoeuvre” (AAM-1) over the next week, the US space agency added. During the next six weeks, the OSIRIS-REx spacecraft will continue executing the series of asteroid approach manoeuvres designed to fly the spacecraft through a precise corridor during its final slow approach to Bennu. The last of these, AAM-4, scheduled for November 12, will adjust the spacecraft’s trajectory to arrive at a position 20 km from Bennu on December 3. (IANS)

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