GIOVE-B (Galileo In-Orbit Validation Element) was launched by a Soyuz rocket from Baiknour on 27 April 2008, carrying the most accurate atomic clock ever flown into space at that moment.
The 500 kg satellite was left into a circular orbit at an altitude of 23,173 km, inclined at 56 degrees to the Equator, 3 hours and 45 minutes after the launch. It makes a complete journey around the Earth in 14 hours and 3 minutes. Read more…