The journey that the ExoMars 2016 spacecraft will take from Earth to Mars. 'Distance to Mars' is the straight-line distance between the spacecraft and Mars, and not the actual distance that the spacecraft will travel.The mission is scheduled for launch in the 14–25 March window. The Trace Gas Orbiter and the Schiaparelli entry, descent and landing demonstrator module will separate on 16 October. Schiaparelli is set to enter the martian atmosphere on 19 October, while TGO will enter orbit around Mars.