Cygnus Station Departure Delayed One Hour

Cygnus Station Departure Delayed One Hour

The Cygnus space freighter from Northrop Grumman, with its prominent cymbal-shaped solar arrays, is pictured attached to the space station.
The Cygnus space freighter from Northrop Grumman, with its prominent cymbal-shaped solar arrays, is pictured attached to the space station.

Northrop Grumman’s uncrewed Cygnus spacecraft now is scheduled to depart the International Space Station at 7:05 a.m. Tuesday, June 28, more than four months after delivering 8,300 pounds of supplies, scientific investigations, commercial products, hardware, and other cargo to the orbiting laboratory for NASA.

The release of Cygnus is being delayed one hour to better setup Cygnus’ trajectory to be clear of conjunctions and for improved communications capability post-release from the space station.

Live coverage of the spacecraft’s departure will begin at 6:45 a.m. EDT on the NASA Television media channel, the agency’s website, and the NASA app.

Flight controllers on the ground sent commands earlier this morning for the space station’s Canadarm2 robotic arm to detach Cygnus from the Unity module’s nadir port. NASA astronaut Jessica Watkins will monitor Cygnus’ systems upon its departure from the space station.

Following a deorbit engine firing on Wednesday, June 29, Cygnus will begin a planned destructive re-entry, in which the spacecraft – filled with trash packed by the station crew – will safely burn up in Earth’s atmosphere.

Cygnus arrived at the space station Feb. 21, following a launch on Northrop Grumman’s Antares rocket from NASA’s Wallops Flight Facility on Wallops Island, Virginia. It was the company’s 17th commercial resupply services mission to the space station for NASA. Northrop Grumman named the spacecraft after the late NASA astronaut and climate scientist Piers Sellers.


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.

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Mark Garcia

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Crew Readies Cygnus for Departure, Studies Botany and Cardiac Research

Crew Readies Cygnus for Departure, Studies Botany and Cardiac Research

An aurora streams above a cloudy Earth as the International Space Station orbited 268 miles above the south Pacific.
An aurora streams above a cloudy Earth as the International Space Station orbited 268 miles above the south Pacific.

A U.S. resupply ship is being prepared for its departure from the International Space Station on Tuesday morning. Meanwhile, the Expedition 67 crew continued its space gardening and human research activities today to promote mission success and improve health on Earth.

NASA astronauts Bob Hines and Jessica Watkins spent Monday wrapping up cargo operations inside the Cygnus space freighter from Northrop Grumman. ESA (European Space Agency) Flight Engineer Samantha Cristoforetti joined the pair disconnecting power and ventilation systems and finally closing the vehicle’s hatch.

Cygnus will be detached from the Unity module overnight by the Canadarm2 robotic arm remotely controlled by engineers on the ground.  The Canadarm2 will maneuver Cygnus away from the station and release the cargo craft at 6:05 a.m. EDT completing a four-month stay at the orbital lab. NASA TV starts its live Cygnus release coverage at 5:45 a.m. on Tuesday on the agency’s app and its website.

Hines finished his work day servicing oxygen components on a U.S. spacesuit. Watkins and Cristoforetti also partnered together and filmed station operations to train future crews preparing for upcoming missions to the orbiting complex. Watkins later setup camera gear that students on Earth can operate remotely and photograph landmarks on the ground. Finally, Cristoforetti swapped batteries inside the Astrobee robotic free-flyers and worked on NanoRacks Bishop airlock maintenance.

Advanced space research is always ongoing amidst the constant array of visiting vehicles and other mission activities taking place at the orbital lab. Monday’s science experiments mainly focused on growing plants without soil, cardiac research, and Earth observations.

NASA Flight Engineer Kjell Lindgren kicked off another plant growing session for the XROOTS space botany study. He set up seed cartridges and root modules for the experiment to demonstrate using hydroponic and aeroponic techniques to grow edible plants in microgravity. Growing crops in space can reduce costly cargo missions and help sustain crews as NASA and its international partners plan missions to the Moon, Mars, and beyond.

Roscosmos cosmonauts Denis Matveev and Sergey Korsakov worked on cardiac research today exploring how the human circulatory system adapts to weightlessness. Matveev later worked on nanosatellites to be deployed on an upcoming Russian spacewalk. Korsakov also conducted ear, nose, and throat research. Commander Oleg Artemyev worked on Russian maintenance activities and later filmed station operations for audiences on Earth.


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 Cover Northrop Grumman Cygnus Departure from Space Station

NASA to Cover Northrop Grumman Cygnus Departure from Space Station

Northrop Grumman’s uncrewed Cygnus spacecraft is scheduled to depart the International Space Station on Tuesday, June 28, more than four months after delivering 8,300 pounds of supplies, scientific investigations, commercial products, hardware, and other cargo to the orbiting laboratory for NASA.

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