Propulsion System
The LADEE propulsion system will consist of an orbit control system (OCS) and a reaction control system (RCS). The OCS will provide velocity control along the +Z axis for large velocity adjustments. The RCS will provide three-axis attitude control during burns of the OCS system, and will also provide momentum dumps for the reaction wheels which are the primary attitude control system between OCS burns.
Read more about this topic: Lunar Atmosphere And Dust Environment Explorer
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