Telesto co-orbits with Tethys, occupying Tethy's leading Lagrangian Point L4.
Telesto has dimensions of 32.6x23.6x20 km with a period of revolution of 1.887802 days. Planned flybys span the mission with a close flyby on Oct 11, 2005. 
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 under Telesto. 
  
Observations were made by:
CIRS - Composite Infrared Spectrometer
ISS - Imaging Science Subsystem
UVIS -  Ultraviolet Imaging Spectrograph
VIMS - Visual and Infrared Mapping Spectrometer