About VILHENA DE MORAES R
About Inst. Tecnolo ́gico de Aerona ́utica, SP, BRA
About DA SILVA P A F
About UNESP, SP, BRA
About Celestial Mechanics & Dynamical Astronomy
About gravity
About Motion and orbit of space crafts
About 重力
About 安定化
About 衛星
About 共鳴