Followed for 2 years and 8 months, from March 2010 to October 2012, across 905 recorded positions.
It ranged between 57°N and 58°N, never leaving the northern hemisphere.
The water and air it moved through ran from -20°C to 15°C.
It averaged 0.9 km a day, every day, across the whole tracking period.
It finished within 3 km of where it started, a round trip closed almost exactly.