Lift-off for Europe's first resupply ship
Europe's biggest contribution to space technology, the Jules Verne
Automated Transfer Vehicles (ATV), has been successfully launched into
low earth orbit. The launch vehicle, an Ariane 5 rocket, was carrying
its largest ever payload when it achieved lift-off from the Guiana
Space Centre in Kourou, French Guiana. During the coming weeks the
Jules Verne ATV will rendezvous and dock with the International Space
Station (ISS) to deliver fuel and food supplies for the astronauts
onboard the ISS.
The spacecraft is named after the French 19th century visionary and
author and combines the functions of an autonomous free-flying
platform, a manoeuvrable space vehicle and a space station module. It
is about 10 metres high and 4.5 metres in diameter and weighed 19 357
kilograms at launch. The ATV is an unmanned cargo re-supply spacecraft
with high accuracy navigation systems and flight software of far
greater complexity than used for Ariane. The cargo vessel has been
developed so that deliveries can continue to be made to the ISS
following the retirement of NASA's space shuttle fleet in 2010. The ATV
incorporates a Russian-built docking system, similar to those used on
the Russian Soyuz-manned spacecraft and on the Progress re-supply ship.
About three times larger than its Russian counterpart, it can also
deliver about three times more cargo.
The ATV has been under development since 1998 and forms the
European Space Agency's (ESA) contribution to the operational costs of
the ISS. During this first mission Jules Verne will deliver 4.6 tonnes
of payload to the ISS, including oxygen, fuel, food, water and clothes
for the ISS crew of three astronauts. About half the payload onboard
the vehicle is re-boost propellant. This will be used by its own
propulsion system for periodic manoeuvres to boost the ISS into a
higher orbit. Once docking has been safely completed the crew of the
ISS will be able to enter the cargo module to access the cargo. Jules
Verne will remain docked for up to six months, during which time it
will be filled with waste from the ISS. One it has fulfilled its
mission, the vehicle will be thrust back towards Earth, where it will
burn up in the atmosphere in a fully controlled manner.
Beyond Jules Verne, the ESA has already contracted industry to
produce four more ATVs to be launched through to 2015. With both the
ESA's ATV and the Russian Progress supply ship the ISS will have two
independent servicing systems to ensure its operations once the US
space shuttle stops flying in 2010. The Japanese HTV (H-II transfer
Vehicle) will also enter operations in 2009, further ensuring the
systems overall reliability. 'Last month, with the docking of Columbus
(the European space laboratory), Europe got its own flat in the ISS
building, with the launch of the first ATV, we now have our own
delivery truck. We have become co-owners of the ISS, now we are about
to become fully- fledged partners in running it. With the ATV we will
be servicing the ISS by delivering cargo and providing orbital
reboost,' said Daniel Sacotte, the ESA's Director for Human
Spaceflight, Microgravity and Exploration.
'The launch of Jules Verne by Ariane 5 ES marks an important step
on the way to ESA becoming an indispensable ISS partner with the ATV,
the heaviest and most complex spacecraft ever built by ESA', underlined
Jean-Jaques Dordain, ESA's Director General. The successful development
of the ATV is the result of close cooperation between Member States,
European industry, Arianespace, the French space agency (CNES), the ESA
and international partners
Source: Community R&D Information Service (CORDIS)
