Atlas orbits near the outer edge of the A-ring
Its dimensions are 40.8x35.4x18.8 km with a period of 0.60169 days. Planned flybys span the mission with closest approach on Aug 07, 2017.
See
Small Satellites Events (xlsx,
txt) observing log including range, flyby velocity and phase
For observation times and instruments compare Small Satellites Events file with
Master Schedule.