Engine Trouble Forces Northrop Grumman to Delay Supply Delivery to International Space Station
NASA and Northrop Grumman are developing an alternate engine burn plan after Cygnus XL's main engine stopped prematurely, delaying delivery of 11,000 pounds of cargo to the ISS.
- NASA and Northrop Grumman delayed the Cygnus XL spacecraft docking with the ISS scheduled for September 17, 2025, due to a main engine issue.
- The delay followed premature shutdowns of two orbit-raising burns by the spacecraft's main engine, while flight controllers evaluate alternate burn plans.
- The Cygnus XL, Northrop Grumman's latest cargo freighter carrying about 11,000 pounds of supplies, separated from its Falcon 9 rocket and deployed solar arrays successfully.
- NASA confirmed that the remaining Cygnus XL systems are operating normally, and smaller thrusters may be utilized to adjust its trajectory for docking with the ISS.
- Officials are reviewing the timing of the spacecraft's arrival while planning for the Cygnus XL to stay docked at the ISS through March 2026 before it departs to reenter Earth's atmosphere.
46 Articles
46 Articles
Food, toilet spare parts, more for ISS crew stuck after cargo spacecraft's engine failed before docking
A newly launched supply ship is experiencing engine trouble that is preventing it from reaching the International Space Station (ISS). Northrop Grumman’s Cygnus XL spacecraft, which is carrying more than 11,000 pounds (5,000 kg) of cargo to the orbiting laboratory, lifted off on a SpaceX Falcon 9 rocket from Cape Canaveral Space Force Station in Florida. This mission was the first flight of the larger, more capable version of the solar-powered s…

Engine trouble forces Northrop Grumman to delay supply delivery to International Space Station
A newly launched supply ship has run into engine trouble that is preventing it from reaching the International Space Station.

NASA says Northrop Grumman’s resupply craft to ISS had engine issue
The cargo craft's engine stopped during two burns.
Experimental Spacecraft Headed to Space Station Suddenly Shuts Down
A whopping 11,000 pounds of supplies and scientific instruments that were headed to the International Space Station are in limbo after a high-profile malfunction. Northrop Grumman's Cygnus XL spacecraft encountered a serious problem with its main engine during its maiden voyage, NASA announced on Tuesday. The spacecraft, which is just over five feet longer than the aerospace giant's Cygnus spacecraft, launched from the Cape Canaveral Space Force…
Thruster issue delays Cygnus arrival at ISS
NASA is delaying the arrival of a Cygnus spacecraft at the International Space Station to investigate a thruster problem with the cargo vehicle. The post Thruster issue delays Cygnus arrival at ISS appeared first on SpaceNews.
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