"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...
orbital resonance:98
as mentioned above, gliese 876 e, b and c are in a laplace resonance, with a 4:2:1 ratio of periods (124.3, 61.1 and 30.0 days).