Assertion: trojan's orbit | /r/CapableOf | become unstable
Facets:
value: in the nice model
type: OTHER
value: after the solar system's formation
type: TEMPORAL
Source sentences:
text: In the Nice model the orbits of the giant planets became unstable 500–600 million years after the Solar System's formation when Jupiter and Saturn crossed their 1:2 mean-motion resonance.
text: When Jupiter and Saturn were near their 1:2 resonance the orbits of pre-existing Jupiter trojans became unstable during a secondary resonance with Jupiter and Saturn.