What is the expected outcome of the SpaceX rocket stage collision with the Moon?

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The Expected Outcome of the SpaceX Rocket Stage Collision with the Moon is the Creation of a Lunar Crater

A four-tonne piece of a SpaceX rocket is believed to have unintentionally collided with the Moon, an event anticipated to result in the formation of a new crater on the lunar surface. While official confirmation of the impact is pending, observations are planned by NASA and South Korea's Pathfinder Lunar Orbiter to document the site. The Falcon 9 upper stage, weighing approximately 4,000 kilograms, was projected to strike the Moon's northern hemisphere near the Einstein Crater at a velocity of about 8,690 kilometres per hour. This celestial impact poses no threat to Earth.
Creation of a Lunar Crater

The primary anticipated outcome of the SpaceX rocket stage's collision with the Moon is the creation of a lunar crater. Scientists and amateur astronomers had been looking forward to observing the plume of debris ejected by the impact. Benjamin Fernando of Los Alamos National Laboratory noted that the brightness of this plume was uncertain, making the event a subject of scientific interest. The formation of a crater is a direct consequence of a substantial object impacting a celestial body at high speed.
Observation and Data Collection Efforts

Following the expected impact, both NASA's Lunar Reconnaissance Orbiter and South Korea's Pathfinder Lunar Orbiter were scheduled to capture images of the affected area. However, it was anticipated that it could take several days to receive and process this imagery. NASA has stated its intention to track the booster for training purposes and to observe the impact site for scientific research, underscoring the value of such events for ongoing space exploration.
Understanding Space Debris and Lunar Dynamics

This collision offers a valuable opportunity to enhance understanding of space debris and its effects on lunar environments. The event could help test methods for localizing impacts on the Moon for future seismic experiments and investigate the dynamics of dust and plumes generated by such impacts. Furthermore, it allows for the consideration of hazards posed by artificial space debris, a critical factor as NASA plans to establish a sustained human presence on the Moon.
Context of Artificial Lunar Collisions

While the Moon routinely experiences impacts from natural meteoroids, artificial collisions are less common. The Falcon 9 upper stage, after completing its mission of propelling two lunar landers, was placed on a trajectory towards the Moon due to a combination of solar activity and gravitational forces. This contrasts with typical SpaceX procedures for "high-energy missions," which usually involve maneuvers to ensure the safety of the second stage according to regulations. Deliberate lunar impacts were also conducted by NASA during its Apollo program in the 1970s to gather seismic data.

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What is the expected outcome of the SpaceX rocket stage collision with the Moon?

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