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Fuel problem ended DART mission

Posted on Sunday, April 17 2005 @ 02:49:24 CEST by

The DART spacecraft's mission ended after 11 hours in mission because it detected a fuel problem. The Demonstration of Autonomous Rendezvous Technology moved to within 300 feet of a Pentagon satellite orbiting 472 miles above the Earth but needed to ends its mission after 11 hours because of an unexpected flaw.

DART was supposed to fly around the satellite and get as close as 15 feet, for another 12 hours before disintegrating in orbit.
"When we started doing precise maneuvers, we started seeing excessive propellant consumption," Snoddy said. "The mission as designed, when it runs out of gas, completes itself."

There were some navigation errors but no indication of a fuel leak, he said in a conference call. A NASA investigation board will search for the cause of the problem.
NASA calls the mission a partly success, because it shows that a computer-controlled craft can find a satellite in space without human interference.

More info about the DART mission at ABC News



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