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Station Power Channel Handover Completed, No Impact to Operations

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Station Power Channel Handover Completed, No Impact to Operations

The International Space Station is pictured from the SpaceX Crew Dragon Endeavour during a fly around of the orbiting lab that took place on Nov. 8, 2021.
The International Space Station is pictured from the SpaceX Crew Dragon Endeavour during a fly around of the orbiting lab that took place on Nov. 8, 2021.

On Nov. 23, the team in Mission Control Houston performed a change in electrical power routing to remove one of the eight International Space Station power channels from use. This procedure was performed in response to unexpected readings and intermittent tripping of the 1B power channel in the overnight hours. When the power channel tripped, the batteries were no longer charged at expected levels so flight operators moved the 1B powered equipment from 1B to 1A. Space station systems are in a stable configuration, and the team is evaluating the event and discussing forward plans. Upcoming space station operations including Saturday’s launch of NASA and SpaceX’s 26th commercial resupply mission, as well as spacewalks are not impacted.

Learn more about station activities by following the space station blog, @space_station and @ISS_Research on Twitter, as well as the ISS Facebook and ISS Instagram accounts.

Get weekly video highlights at: http://jscfeatures.jsc.nasa.gov/videoupdate/

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Mark Garcia

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NASA to Share Artemis I Update with Orion at Farthest Point from Earth

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NASA to Share Artemis I Update with Orion at Farthest Point from Earth

NASA will host a news conference at 5 p.m. EST Monday, Nov. 28, from the agency’s Johnson Space Center in Houston to discuss the status of the uncrewed Artemis I flight test as the Orion spacecraft reaches the mid-point of its Moon mission and its farthest distance from Earth at nearly 270,000 miles away.

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Roscosmos Spacewalk Postponed

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Roscosmos Spacewalk Postponed

Cosmonauts Sergey Prokopyev and Dmitri Petelin are pictured conducting a six-hour and 25-minute spacewalk in their Orlan spacesuits on Nov. 17, 2022.
Cosmonauts Sergey Prokopyev and Dmitri Petelin are pictured conducting a six-hour and 25-minute spacewalk in their Orlan spacesuits on Nov. 17, 2022.

Today’s spacewalk with Roscosmos cosmonauts Sergey Prokopyev and Dmitri Petelin was postponed due to an issue with the water coolant system pump on Prokopyev’s Orlan spacesuit. The team is in the process of returning onboard systems to a nominal configuration. The duo, with assistance from European robotic arm operator Anna Kikina of Roscosmos, were slated to relocate a radiator from the Rassvet module to the Nauka science module on the International Space Station.

Today’s spacewalk would have continued the duo’s previous spacewalk on Nov. 17 where they prepared the radiator for its relocation. A back-up date for today’s spacewalk is to be determined.

Learn more about station activities by following the space station blog, @space_station and @ISS_Research on Twitter, as well as the ISS Facebook and ISS Instagram accounts.

Get weekly video highlights at: http://jscfeatures.jsc.nasa.gov/videoupdate/

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Heidi Lavelle

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