e2v imaging sensors launched into space onboard the second unmanned spacecraft to be sent to the International Space Station

On 16 February 2011, e2v high performance imaging sensors were launched into space on board the European Space Agency’s (ESA) Johannes Kepler spacecraft, the second Automated Transfer Vehicle (ATV) to be sent to the International Space Station (ISS).

e2v CCD47-20 Charge Coupled Device (CCD) imaging sensors were selected by SODERN as part of the two key systems they delivered for the ATV; an SED16 star tracker, an optical device used for determining the orientation of the spacecraft by measuring its position relative to stars, and a Videometer, a system SODERN developed which is the primary rendezvous and docking sensor for the spacecraft. The first ATV, Jules Verne was also equipped with these e2v imaging sensors and successfully completed its mission in 2008.

The Johannes Kepler ATV was carried into orbit onboard an Ariane 5 rocket from French Guiana and hauled almost 7.1 tonnes of cargo (the heaviest load ever lofted into space by the rocket) to the Station 360 km above the Earth. The spacecraft is the most powerful automatic spaceship ever built and is equipped with its own propulsion and a high-precision navigation system, which uses e2v imaging sensors to automatically guide it into dock at the ISS. The ISS relies on frequent deliveries of equipment, spare parts, food, air and water for its permanent crew. The unmanned ATV is essential in delivering supplies to it and will stay attached to the station, providing reboost and attitude control for three and a half months. It will then be undocked and commanded to burn up in the atmosphere over an uninhabited area of the southern Pacific Ocean.

e2v’s Marketing and Applications Manager, Jon Kemp said, “e2v are proud to have delivered a key component enabling the Sodern videometer to automatically dock the Johannes Kepler ATV and also supply space proven imaging sensors for the ATV’s guidance system.”

Artist's view of ESA's ATV Johannes Kepler
Courtesy of ESA/D.Ducros

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NOTES FOR EDITORS

e2v

e2v is a leading global provider of technology solutions for high performance systems; delivering solutions, sub-systems and components, to advanced systems companies, for specialist applications within medical & science, aerospace & defence, and commercial & industrial markets.

e2v is headquartered in the UK, employs approximately 1500 people, has design and production facilities across Europe and North America, and has a global network of sales and technical support offices. For the year ended 31 March 2010, e2v reported sales of over £200m and is listed on the London Stock Exchange. For more information visit e2v.com.