by Staff Writers
Paris (ESA) Jun 05, 2012
Although ESA's Artemis telecommunications satellite has officially completed its mission, it still has plenty to offer. Reaching its working orbit almost 11 years ago after an arduous journey, Artemis continues to communicate with Earth. After almost 11 years in orbit, it is a fact that the Artemis mission has been successfully completed. To meet the demand of its operational users, ESA decided to keep operating Artemis for a few more years until its planned deorbiting in 2014.
Equipped with a suite of advanced communication payloads, Artemis has scored a long series of satcom firsts still in use today and precursors to new ESA programmes like the European Data Relay System.
"Artemis has demonstrated technologies that have become standard for many satcom missions and, at the same time, has provided communication services that have exceeded the initial design goals," said Magali Vaissiere, Director of ESA's Telecommunications and Integrated Applications.
For example, Artemis created the first laser data link between satellites in different orbits. It was the first telecom satellite to be extensively reprogrammed in orbit, and it was the first to power its way to geostationary orbit, 36 000 km up, with ion thrusters after surviving the longest-ever drift to its destination.
Artemis also provided data relay for Envisat, the largest Earth observation satellite ever built.
Today, Artemis provides links for all of ESA's Automated Transfer Vehicle (ATV) missions to the International Space Station, from launcher separation to docking, deorbiting and, finally, reentry.
Its navigation payload is a critical element for the European Geostationary Overlay System (EGNOS), which enhances navigation services data for aircraft and ships.
Artemis has been broadcasting the EGNOS signals since 2003 and supports the EGNOS open service and the safety-of-life service.
Artemis' list of accomplishments includes establishing two-way links in 2006 and 2007 with an aircraft flying over the southern coast of France, receiving video footage at 50 Mbits per second.
Artemis also provided a two-way link with an unmanned drone dropped from an altitude of 21 km off the coast of Sardinia in 2007. Telemetry and commands were exchanged while the drone was flying in excess of Mach 1.
"Since joining the Artemis adventure, I have discovered a team of people working with passion for the success of this mission," said Daniele Galardini, Head of Redu Centre and the Artemis project manager. "Thanks to all, it is an honour to work with them."
Redu at ESA
Space Technology News - Applications and Research
Comment on this article via your Facebook, Yahoo, AOL, Hotmail login.
Measuring Transient X-rays with Lobster Eyes
Greenbelt, MD (SPX) May 23, 2012
A technology that mimics the structure of a lobster's eyes is now being applied to a new instrument that could help revolutionize X-ray astronomy and keep astronauts safe on the International Space Station. Scientists at NASA's Goddard Space Flight Center in Greenbelt, Md., are developing the "Lobster Transient X-ray Detector," which they hope to deploy on the space station in three to four year ... read more
|The content herein, unless otherwise known to be public domain, are Copyright 1995-2012 - Space Media Network. AFP, UPI and IANS news wire stories are copyright Agence France-Presse, United Press International and Indo-Asia News Service. ESA Portal Reports are copyright European Space Agency. All NASA sourced material is public domain. Additional copyrights may apply in whole or part to other bona fide parties. Advertising does not imply endorsement,agreement or approval of any opinions, statements or information provided by Space Media Network on any Web page published or hosted by Space Media Network. Privacy Statement|