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Waspie_Dwarf

LADEE: Science Observations Begin

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LADEE Project Scientist Update: Science Observations Begin

What a difference 200 km makes! NASA’s Lunar Atmosphere and Dust Environment Explorer (LADEE) completed its third Orbit Lowering Maneuver (OLM) Nov. 10, and its fourth on Nov. 20. During the commissioning phase when ground controllers were checking out the instruments and spacecraft, LADEE was orbting the moon 250 km above the surface. Now LADEE is in its science operations orbit. All three science instruments are taking data in their planned sequence. LADEE’s new orbit makes its closest approach to the moon’s surface (or periapsis altitude) between 20 and 50 km, and farthest point (or apoapsis altitude) between 75 and 150 km.

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