In the evening of 10 November 2012, an Ariane 5 launcher lifted off from Europe’s Spaceport in French Guiana on its mission to place two telecommunications satellites, Eutelsat-21B and Star One-C3, into their planned transfer orbits.

Liftoff of flight VA210, the 66th Ariane 5 mission, came at 21:05 GMT (22:05 CET; 18:05 French Guiana). The target injection orbit had a perigee altitude of 250 km, an apogee altitude at injection of 35 786 km and an inclination of 2°.