Moon Lander Problem Threatens Mission After Vulcan Rocket Makes Successful Debut

necro81 writes: ULA's Vulcan rocket, many years in development, had a successful first launch this morning from Cape Canaveral. The expendable rocket, which uses two methane-fueled BE-4 engines from Blue Origin in its first stage, is the successor to the Delta and Atlas-V launch vehicles. Years overdue, and with a packed manifest for future launches, Vulcan is critical to the ULA's continued existence. The payload on this first mission is called Peregrine -- a lunar lander from Astrobotic. Unfortunately, Peregrine has suffered an anomaly some hours into flight; it is unclear whether the mission can recover. UPDATE: According to Reuters, Peregrine's propulsion system experienced issues hours after separating from Vulcan, "preventing the spacecraft from angling itself toward the sun for power." "While mission engineers regained control, the faulty propulsion system is losing valuable propellant, forcing Astrobotic to consider 'alternative mission profiles,' suggesting a moon landing is no longer achievable," reports Reuters. In the most recent update (#5) on X, Astrobotic said in a statement: "We've received the first image from Peregrine in space! The camera utilized is mounted atop a payload deck and shows Multi-Layer Insulation (MLI) in the foreground. The disturbance of the MLI is the first visual clue that aligns with out telemetry data that points to a propulsion system anomaly. Nonetheless, the spacecraft's battery is now fully charged, and we are using Peregrine's existing power to perform as many payload and spacecraft operations as possible. At this time, the majority of our Peregrine mission team has been awake and working diligently for more than 24 hours. We ask for your patience as we reassess incoming data so we can provide ongoing updates later this evening."

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