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NEAR Shoemaker
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===The journey to Eros=== On July 3, 1997, ''NEAR'' executed the first major deep space maneuver, a two-part burn of the main 450 N thruster. This decreased the velocity by 279 m/s and lowered [[perihelion]] from 0.99 [[astronomical unit|AU]] to 0.95 AU. The Earth [[gravity assist]] swingby occurred on January 23, 1998, at 7:23 UT. The closest approach was 540 km, altering the orbital [[inclination]] from 0.5 to 10.2 degrees and the [[aphelion]] distance from 2.17 to 1.77 AU, nearly matching those of Eros. Instrumentation was active at this time.<ref name="NSSDC" />
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