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Laurel - February 3, 2000 - Preliminary indications show the NEAR spacecraft is on a steady path to Eros, after a braking maneuver today adjusted its approach speed and trajectory toward the large asteroid. At noon EST, NEAR's medium-sized thrusters fired for 90 seconds and eased the spacecraft from 43 mph (relative to Eros) to 18 mph (70km to 30 km). The maneuver also moves NEAR's trajectory about 60 miles (100 kilometers) closer to its target. The operation was a slightly modified version of the rendezvous burn scheduled for Feb. 2, which was canceled after NEAR went into "safe" hold early yesterday morning. Mission operators at the Applied Physics Laboratory sent new commands to NEAR late last night, dividing the original Feb. 2 maneuver into two parts. A second burn on Feb. 8 will bump NEAR's approach speed to 22 mph and put it back on its original track to the asteroid. "We were able to come back right away and devise a turnaround burn," says NEAR Mission Director Bob Farquhar. "It really shows the resiliency of the mission plans." All critical science operations - including a low-phase flyby on Feb. 13 - remain on schedule. The flyby will put NEAR directly between the sun and Eros, affording a unique opportunity to map the asteroid's minerals under optimal lighting. NEAR is now 5,047 miles (8,123 kilometers) away from Eros, which it will reach and begin orbiting on Valentine's Day.
Feb 4 Eros Satellite Search C Feb 8 Rendezvous Maneuver and Momentum Bias Feb 9 Eros Satellite Search D Feb 14 Eros Orbit InsertionThis article is sourced from the JHUAPL News Service for the NEAR mission Community Email This Article Comment On This Article Related Links Space
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