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  ISS 43: Soyuz misfire alters station orientation

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Author Topic:   ISS 43: Soyuz misfire alters station orientation
Robert Pearlman
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Posts: 42988
From: Houston, TX
Registered: Nov 1999

posted 06-09-2015 05:53 PM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
NASA release
Station orientation restored after Soyuz misfire

Today (June 9) at 10:27 a.m. CDT (1527 GMT), during the routine testing of communications systems between the Soyuz TMA-15M spacecraft and the International Space Station (ISS), Soyuz thrusters activated inadvertently which led to a slight change in the orientation of the ISS. Actions were immediately taken to reorient the ISS.

There was no threat to the crew or the station itself, and the issue will have no impact to a nominal return to Earth of the Soyuz TMA-15M on Thursday. Roscosmos specialists are determining the cause of the incident.

Once more information is known, additional details will be provided.​

Robert Pearlman
Editor

Posts: 42988
From: Houston, TX
Registered: Nov 1999

posted 06-09-2015 05:55 PM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
Chris Hadfield has been commenting about this on Twitter:
While re-powering the Soyuz after six months, it's possible to inadvertently activate its attitude control and fire the thrusters.

No real harm done, it happened during Expedition 7 too, just wastes a bit of fuel, and Soyuz has plenty.

All times are CT (US)

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