On August 5, at approximately 2:35 a.m. EDT (0635 GMT), the upper stage of a SpaceX Falcon 9 rocket collided with the lunar surface. According to Space.com, the debris was traveling at 5,400 mph (8,690 kph) at the time of impact. This event concludes the trajectory of the hardware, which had been in a high, moon-crossing Earth orbit since launching two commercial landers—Firefly Aerospace’s Blue Ghost and ispace’s Resilience—in January 2025.
While Falcon 9 first stages are engineered for controlled recovery and reuse, the 9,000-pound (4,000 kilograms) upper stage is designed to be disposable. Following its mission, the stage lacked sufficient propellant to perform a deorbit maneuver back into Earth's atmosphere. Julianna Scheiman, SpaceX director of NASA science and Dragon programs, noted on August 3 that solar activity and gravitational forces ultimately altered the stage's path, placing it on a collision course with the moon.
Impact Technical Specifications
| Parameter | Value |
|---|---|
| Impact Date | August 5, 2025 |
| Impact Time | 2:35 a.m. EDT (0635 GMT) |
| Speed at Impact | 5,400 mph (8,690 kph) |
| Estimated Crater Width | Up to 89 feet (27 meters) |
| Object Weight | 9,000 pounds (4,000 kilograms) |
NASA is currently coordinating efforts to document the aftermath. According to the agency’s Goddard Space Flight Center, the Lunar Reconnaissance Orbiter and the ShadowCam instrument on the Korea Pathfinder Lunar Orbiter are tasked with capturing before-and-after imagery. Rob Garner, a NASA spokesperson, stated that successful data collection depends on orbital timing, lighting conditions, and the precise impact location. Additionally, NASA’s Meteoroid Environments Office is utilizing ground-based telescopes at the Marshall Space Flight Center to monitor for any visible flash, though expectations for success remain low due to atmospheric interference.
Why It Matters
This incident highlights a growing challenge for orbital debris management in cislunar space. As private companies increase the frequency of high-energy deep space missions, the disposal of upper stages becomes a critical regulatory hurdle. While this specific impact was involuntary, it offers researchers a rare opportunity to study lunar geology through controlled—albeit accidental—artificial cratering. Standardizing disposal protocols for deep space assets is essential as the commercial sector expands its presence beyond low-Earth orbit, ensuring that future traffic does not interfere with permanent lunar infrastructure or scientific study zones.
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