"the solar system oscillates with a 60-year cycle due to the jupiter/saturn three-synodic cycle and to a jupiter/saturn beat tidal cycle...
"the solar system oscillates with a 60-year cycle due to the jupiter/saturn three-synodic cycle and to a jupiter/saturn beat tidal cycle...
jupiter trojan:106
this occurred when the period of the trojans' libration about their lagrangian point had a 3:1 ratio to the period at which the position where jupiter passes saturn circulated relative to its perihelion.