librate

The arc particles librate about the potential maximum imposed by the corotational resonance satellite Galatea.

Asteroids at these locations are continually changing position and can librate at least [+ or -]30[degrees] either side of the nominal points, and similarly in inclination.

Since the Lagrangian points L [sub.4] and L [sub.5] are stable, material can librate about these points individually: such orbits are called tadpole orbits.

He frames his arrival in the village with a negative note about the houses: "le case stavano come librate nell'aria ...

Trojans do not actually orbit right at the Lagrangian stability points; instead, they can librate around the point by some tens of degrees.

Leighton Aspell enjoyed the rare pleasure of getting the better of Tony McCoy in a bobbing finish, Aspell and Ile de Librate just fending off the McCoy-ridden Ecuyer du Roi for the three-mile novice chase.

Below this transition temperature the molecules were shown to librate around particular orientations in a simple cubic Pa3phase.