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The Mission




Rocket: Ariane 5 ES
Payload: ATV 1
Date: March 8/9, 2008
Time: 11:03 p.m. EST
(0403 GMT on 9th)
Site: ELA-3, Kourou, French Guiana

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Video archive

Introduction to ATV

Preview the maiden voyage of European's first Automated Transfer Vehicle, named Jules Verne. The craft will deliver cargo to the International Space Station.

 Full coverage

STS-123 landing

Shuttle Endeavour returned from space with a night landing March 26 at Kennedy Space Center.

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Day 16 highlights

Video highlights from Endeavour's final full day in space for STS-123.

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Day 15 highlights

Flight Day 15 was undocking day as Endeavour departed the station to begin the journey toward home.

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Day 14 highlights

Easter Sunday in space on Flight Day 14 included a few hours of rest and the joint crew news conference.

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Day 13 highlights

On Flight Day 13, the mission's final spacewalk attached the shuttle's heat shield inspection boom to the station.

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Day 12 highlights

Inspections of Endeavour's wings and nose for space debris hits were conducted on Flight Day 12.

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Day 11 highlights

Spacewalkers on Flight Day 11 tested a method for repairing damaged shuttle heat shield tiles in space.

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Day 10 highlights

Video highlights from Flight Day 10 as the astronauts enjoyed a mid-mission light-duty day.

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STS-123 day 9 highlights

Flight Day 9 saw Dextre moved to the Destiny lab, stowing the assembly pallet and a group dinner in the Zvezda module.

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STS-123 day 8 highlights

Finishing assembly of Dextre and delivering spare parts to the station occurred during the spacewalk on Flight Day 8.

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STS-123 day 7 highlights

The space station's handyman robot Dextre flexed its arms for the first time during Flight Day 7.

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STS-123 day 6 highlights

Flight Day 6 was dedicated to the second spacewalk and continued assembly of the Dextre robot.

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STS-123 day 5 highlights

The station and shuttle crews opened up and entered Japan's new Kibo logistics module during Flight Day 5.

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STS-123 day 4 highlights

Highlights of the Kibo logistics module's attachment to the station and the first spacewalk to begin Dextre assembly.

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STS-123 day 3 highlights

This movie shows the highlights from Flight Day 3 as Endeavour docked to the space station.

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STS-123 day 2 highlights

Flight Day 2 of Endeavour's mission focused on heat shield inspections. This movie shows the day's highlights.

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STS-123 day 1 highlights

The highlights from shuttle Endeavour's launch day are packaged into this movie.

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More video



Station-bound freighter poised for critical practices
BY STEPHEN CLARK
SPACEFLIGHT NOW

Posted: March 27, 2008

Europe's Jules Verne space transporter fired its engines early Thursday to leave a parking orbit and begin moving toward the complex, setting up for the first of two rendezvous dress rehearsals this weekend.


Credit: ESA
 
The firings began at 0558 GMT (1:58 a.m. EDT) as Jules Verne was parked about 1,200 miles ahead of the outpost, a strategy developed by the station's international partners to wait out the shuttle Endeavour's assembly mission that ended with landing Wednesday night.

The series of three burns was completed about an hour-and-a-half later, putting the bus-sized spacecraft on track to begin the first day of demonstrations Saturday morning.

Jules Verne, which began its mission with a rain-soaked nighttime launch March 9, completed early testing and reached the parking orbit last Wednesday. The station partners agreed to flight rules prohibiting other vehicles from docking while the space shuttle is present.

The craft is the first Automated Transfer Vehicle fielded by the European Space Agency. Measuring 34 feet long and up to 15 feet wide, the ATV is carrying more than 2,500 pounds of dry cargo, 1,900 pounds of refueling propellant, nearly 600 pounds of water and 46 pounds of oxygen for the station.

After coasting toward the station for nearly two days, Jules Verne will conduct more maneuvers Friday night to guide the ship to an "interface point" 24 miles behind and three miles below the station Saturday morning.

Saturday's round of tests is the first of two "demo days" scheduled in advance to showcase the craft's ability to autonomously fly in close proximity to the outpost.

"In each of those, we demonstrate various aspects of the ATV and prove that those features are working properly to ensure the safety of the vehicle and the station," said Bob Chesson, head of ESA's human spaceflight and exploration operations.

With ground controllers looking over the shoulder of Jules Verne's futuristic autopilot system, the ship will automatically fly toward the station through waypoints at various distances from the complex.


An illustration of the first Demo Day. Credit: NASA/ESA
 
Demo day one will begin with Jules Verne pushing toward the station from the interface point at 1419 GMT (10:19 a.m. EDT). The ATV will establish two-way communications with the complex a few minutes later through a proximity link antenna boom.

See our preliminary rendezvous timeline here.

The ship's computers will process data derived from the ATV's relative GPS navigation system, which generates precise position data from antennas on both Jules Verne and the space station during the early portion of the rendezvous sequence. The computer automatically compares the positions and uses them to plot a course toward the next waypoint.

Jules Verne will pass through a point 9.6 miles behind and three miles below the station at 1505 GMT (11:05 a.m. EDT), where it will begin raising its altitude to match the outpost's orbit.

At approximately 1551 GMT (11:51 a.m. EDT) Saturday, Jules Verne will arrive at a site 2.2 miles behind the station, a hold point where the craft will turn on its external tracking lights and activate the Russian-built Kurs rendezvous radar. The venerable Kurs system will provide supplemental data during the ATV's approach to the station.

The station's crew will send several test commands to Jules Verne as it is parked off the stern of the complex to demonstrate the crew's ability to intervene if the ship's control system experiences problems.

Russian cosmonaut Yuri Malenchenko, the station's flight engineer, will serve as the primary crew member responsible for overseeing Jules Verne's rendezvous. Stationed at a control station in the Zvezda service module, Malenchenko will be able to send emergency commands for the craft to quickly fly away from the station.

Malenchenko's control panel also includes hold, retreat and resume options to correct smaller errors.

"We've already had training on this, and we're going to have a few days more preparation for this, but as I said, we're expecting it's going to be successful on the automatic mode," Malenchenko said during an in-flight news conference Sunday.

Station commander Peggy Whitson will follow along in a backup role.

Yuri and I are going to watch this vehicle rendezvous," Whitson said. "We'll do two practice days. It's got a different rendezvous system, so we obviously want to keep close tabs on it as it approaches."

After more than 90 minutes of tests, the ATV control center in Toulouse, France, will order Jules Verne to escape the station's vicinity at 1729 GMT (1:29 p.m. EDT). Up to a dozen more thruster firings will put the ship on track for an ambitious second day of demonstrations Monday that will bring the ATV within 36 feet of the Zvezda docking port.


An illustration of the second Demo Day. Credit: NASA/ESA
 
Before giving the go-ahead for Monday's activities, station managers will review data from demo day one to make sure everything worked as planned. A mission management team meeting is set for Sunday to approve demo day two.

"This will be a very exciting time, but we've really got to make sure that the vehicle is behaving exactly as we want," said John Ellwood, ATV project manager.

Demo day two will focus on checking out Jules Verne's high-tech optical guidance sensors attached to the forward end of the ship. Two videometers and two telegoniometers will fire laser light toward reflectors near Zvezda's aft docking port. The reflected light will be analyzed by the ship's cameras, allowing the ATV to autonomously determine its orientation, closing rate and range to the space station.

If everything behaves as expected Monday, officials will approve the preliminary plan to attempt docking next Thursday. Docking is scheduled for 1438 GMT (10:38 a.m. EDT) April 3.

"It will do two approaches to different distances from the station, and then on the third day it will approach and dock," Whitson said. "We did some training on this and are looking forward to actually getting yet another module on-board the station with the ATV, and I think Yuri's looking forward to the challenge of it as well."

Spaceflight Now Plus
Additional coverage for subscribers:
VIDEO: ARIANE 5 ROCKET BLASTS OFF WITH JULES VERNE PLAY
VIDEO: ROLLOUT OF ARIANE 5 ROCKET TO LAUNCH PAD PLAY
VIDEO: DETAILED ATV OVERVIEW BRIEFING PLAY
VIDEO: NARRATED ATV LAUNCH-TO-DOCKING ANIMATION PLAY
VIDEO: NARRATED ANIMATION OF THE RENDEZVOUS AND DOCKING PLAY
VIDEO: NARRATED ANIMATION OF ATV PERFORMING REBOOST PLAY
VIDEO: NARRATED ANIMATION OF ATV REENTRY PLAY
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