大 What is it Not good for? Orbit Raising Bulk Plane Changes De-Orbit All these require rotating the system angular momentum vector or changing the energy of the orbit None of these is possible using only internal forces DIl EMFF Final review ug.29,2003DII EMFF Final Review Aug. 29, 2003 What is it NOT good for? What is it NOT good for? • Orbit Raising • Bulk Plane Changes • De-Orbit • All these require rotating the system angular momentum vector or changing the energy of the orbit • None of these is possible using only internal forces