Surprise Soyuz thruster firing tilted and turned the ISS

The astronauts and cosmonauts aboard the International Space Station needed to provoke emergency protocols after the spacecraft tilted and turned by 57 levels on Friday. All is properly now, however the Roscosmos and NASA floor groups needed to spring to motion and alert their personnel in area after noticing the change in orientation. According to The New York Times, the incident occurred whereas cosmonaut Oleg Novitsky was testing the engines aboard the Soyuz MS-18 spacecraft that is presently docked with the station. 

NASA spokesperson Leah Cheshier instructed the publication that “the thruster firing unexpectedly continued” when the engine testing was scheduled to finish. By 5:13 AM Eastern time, the ISS lost management of its orbital positioning. Russian controllers in Moscow instantly instructed Novitsky that the station turned 57 levels, whereas NASA’s mission management in Houston instructed its astronauts to start emergency procedures. Flight controllers had been in a position to regain management of the station round half-hour later. The Soyuz spacecraft that induced the incident is anticipated to fly a Russian fillm crew — that very same one which flew to the ISS to shoot the first function movie there earlier this month — again to Earth.

“During the Soyuz MS-18 engines testing, the station’s orientation was impacted. As a result, the International Space Station orientation was temporarily changed. The station’s orientation was swiftly recovered due to the actions of the ISS Russian Segment Chief Operating Control Group specialists. The station and the crew are in no danger,” Roscosmos mentioned in its announcement.

As The Times notes, that is the second such emergency on the station. Back in July, the thrusters on Russia’s Nauka module fired “inadvertently and unexpectedly” inflicting the ISS to tilt by about 45 levels. At the time, NASA spokesperson Rob Navias mentioned the ISS lost “attitude control,” which can also be what occurred on this case, and that the occasion was fairly uncommon.

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