Updates ESA's ATV-3 "Edoardo Amaldi"

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Undocking Coverage is starting in 3.5 minutes on NASA TV Public and Media channels.

 

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Undocking canceled due to issue with laptop. New undocking time TBD.



CBS News Space: European cargo ship undocking aborted

SPACE.com: Computer Glitch Delays Cargo Ship's Undocking from Space Station

RIA Novosti: ATV-3 Undocking from Space Station Postponed Indefinitely

Aviation Week: ESA's ATV-3 Departure Delayed by ISS Display Panel Issue

Florida Today: European spacecraft departure from ISS canceled

 

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ESA Blogs: ATV undocking postponed:

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Edoardo Amaldi is safe and in dormant mode, and a new undocking date will be announced when known.

The issue was discovered by Space Station crew shortly before undocking, when astronauts attempted to send a command from an undocking control panel in the Russian Service Module to ATV-3.

The command should have been received by ATV (via the proximity link, a direct ATV-to-International Space Station radio link). Receipt of the command was not confirmed, and undocking was therefore suspended. Teams at ESA, NASA and Roscosmos are now troubleshooting the problem to determine its source and a fix.

Power and data connections that had already been disconnected between ATV and the ISS in readiness for departure were reestablished by mission controllers at ESA's ATV Control Centre in Toulouse.

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SpaceRef: ATV Undocking Postponed:

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A new attempt to undock will likely be made on Thursday, pending approval by the board of the Station management team this afternoon.

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Experts from ESA, NASA and Roscosmos have determined that the problem was caused by commands being sent using the wrong spacecraft identification number.

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ATV Edoardo Amaldi performed perfectly during the undocking procedure and is standing by for the next attempt. Operational considerations will now postpone ATV-3 reentry to at least 2 October.

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[Cosmic Penguin]

NASASpaceflight.com: ISS preparing to dodge two debris threats via ATV-3′s extended stay

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However, the root cause was only known the next day – following troubleshooting by ESA, NASA and Roscosmos teams.

“The joint ESA/CNES mission operations team reacted professionally and skilfully to this unexpected delay, and engineers immediately set to work to replan the undocking and reconfigure ATV into a safe mode while we and our international partners troubleshoot the issue,” noted Massimo Cislaghi, ESA’s ATV-3 Mission Manager.

The problem was found to be related to wrong spacecraft ID – 34 instead of 35 – being relayed through the system, an issue that was confirmed by telemetry analysis. ESA noted that ATV’s systems behaved perfectly until the interruption, and that the vehicle – currently in dormant mode – is in a stance to repeat an undocking attempt.

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Well looks like the astronauts are lucky that there is no spacecraft no. 34 docked to the station, or else....

..... "Err.. Houston... why is the Soyuz floating off into the distance?"

:rofl:

 

[Ripley]

Undocking set for 28 September, around 20:15 GMT / 22:15 CEST (time to be set based on pending flight dynamics calculations).

http://blogs.esa.int/atv/2012/09/27/atv3-undocking-set-for-28-sep/


Edit:

Undocking now set for 21:46 GMT | 23:46 CEST; this is still subject to refinement as the teams here at ATV-CC finalise the mission plan.

http://blogs.esa.int/atv/2012/09/27/updated-undocking-time-for-28-september/

 

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Aviation Week: ESA’s ATV-3 Cleared For Sept. 28 ISS Departure

 

[garyw]

A few stats from ATV-3 - some interesting, some..... well, have a read :lol: all taken from twitter:

#ATV3 calculated mass at undocking tonight: 14,058 kg - with an uncertainty of 141kg #amaldi

#ATV3 has delivered 2199.9 kg of dry cargo, 284 kg of H2O, 66.5 kg of O2 and 33 kg air #wow

When it departs #ISS, #ATV3 will be carrying 989.39 kg of solid waste & 350 kg 'brine' (a nice word for urine)

 

[Cosmic Penguin]

ATV-3 undocked 2 minutes ahead of schedule! (21:44 UTC)

 

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ATV-3 undocked from ISS at 21:44 UTC.

 

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Undocking video

NASAtelevision:

SPACE.com: Huge X-Wing-Like Cargo Ship Undocks from Space Station

Aviation Week: ESA's ATV-3 Departs ISS With Final Assignment

RIA Novosti: Europe’s ATV-3 Spacecraft Undocks from Space Station

Universe Today: ESA’s Big Cargo Ship Departs from the Space Station

 

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ESA: Mission accomplished for ATV Edoardo Amaldi

NASASpaceflight: Europe’s ATV-3 spacecraft makes fiery plunge back into atmosphere

RIA Novosti: ATV-3 Space Freighter Sunk in Pacific

Space News: ATV Re-enters over Pacific Following Late Departure

SpaceRef: Mission accomplished for ATV Edoardo Amaldi

Astrium: Third ATV mission "Edoardo Amaldi" successfully completed