The Crater SpaceX Left on the Moon

Manuel Cerezo
1 day ago
5 min read

Who's responsible when a rocket punches a hole in land nobody owns?

On August 5, 2026, at 6:35 UTC, the second stage of a SpaceX Falcon 9 slammed into the lunar surface at roughly 8,700 km/h (5,400 mph), near Einstein crater on the Moon's western limb. The impact was confirmed days later by images from NASA's Lunar Reconnaissance Orbiter and South Korea's Danuri orbiter, and it left a fresh crater between 18 and 30 meters (60 to 98 feet) wide. It wasn't really a recent accident: the stage had been drifting through space for a year and a half. It launched in January 2025 carrying two lunar landers, Firefly's Blue Ghost and ispace's Hakuto-R, and was left in a "junk" orbit that solar radiation pressure slowly pushed, little by little, toward a crash on the lunar surface.

The discovery, first reported by CNN, is more than an astronomical curiosity. It's only the second documented time an artificial object has hit the Moon without being designed to, and it brings back an uncomfortable question: what does international law say when something like this happens, and who answers for it?

An accident with no clear legal framework

The starting point is the 1967 Outer Space Treaty, the main law of space. Its Article II says no state can claim the Moon or any celestial body as its own, whether through sovereignty, use, or occupation. That rule was meant to stop a colonial-style race grabbing territory in space, but it has a side effect: if nobody owns the Moon, technically nobody is a "victim" when a piece of space junk carves out a crater. There's no lunar state that can file a claim over the damaged ground.

That doesn't mean international law says nothing at all. Article VI of the same treaty holds states responsible for the space activities of their private companies; so even though the rocket belongs to a company like SpaceX, it's the United States that carries the international responsibility for whatever that stage does in space. The 1972 Convention on International Liability for Damage Caused by Space Objects sets out two different systems. Article II applies absolute liability when the damage happens on the surface of the Earth or to an aircraft in flight (no need to prove fault there, just the damage and the cause). But Article III, which covers damage caused somewhere other than Earth's surface (like on the Moon), requires proving the launching state was at fault. And proving fault, in a case where there isn't even a clear claimant, is almost a theoretical exercise.

History shows just how untested this system is: the only claim ever resolved under the 1972 convention was the Cosmos 954 case, when a Soviet satellite carrying a nuclear reactor crashed onto Canadian territory in 1978, and that was settled through diplomacy, not a tribunal. No claim for damage in space or on the Moon has ever been filed. This August's episode, however dramatic the crater photos look, probably won't trigger one either: there's no damaged lunar base, no affected mission, and no state with a clear legal interest to bring a claim against the United States or SpaceX.

There's also an earlier case that shows an even more basic problem: figuring out who the object actually belongs to. In March 2022, another rocket fragment hit the Moon near Hertzsprung crater. At first, it was also blamed on a Falcon 9 upper stage. Months of observation by University of Arizona students eventually showed it was a stage from China's Chang'e 5-T1 rocket, launched in 2014. If it isn't even easy to tell who owns the object that hits the Moon, it's much harder to build a liability case against a state on top of that. The 1975 Registration Convention requires states to register the objects they launch into space, but in practice that registry isn't always enough to track, with certainty, debris that has been drifting for years, or decades.

A Moon that's increasingly contested

This legal gap isn't happening in a geopolitical vacuum. After half a century, the Moon is once again a strategic target. The United States leads the Artemis Accords, which now have 70 signatory countries and introduce ideas like "safety zones" around future bases and historically important sites, such as the Apollo landing sites (though these zones aren't binding, and China and Russia haven't signed on). Those two countries are instead building their own initiative, the International Lunar Research Station (ILRS), which means there are now two blocs with different rules for the same territory. The "safety zone" idea itself is controversial among legal scholars, since it comes close to breaking the non-appropriation rule at the heart of the Outer Space Treaty: at what point does keeping an area around a base for yourself stop being, in practice, a form of appropriation?

On top of that, the 1979 Moon Agreement (the only treaty that declared lunar resources the "common heritage of mankind" under a shared system) was never ratified by any major space power, not the United States, Russia, or China, so it carries no real binding force.

The result is a busier and busier space around the Moon: more commercial landers, more government missions, and as a result more debris moving in unstable orbits near the Moon. And there's no authority tracking routes, no required monitoring system, and no debris rules like the (non-binding) ones that already exist for low Earth orbit. August's discovery itself depended heavily on the work of an amateur astronomer, Bill Gray, who has spent twenty years tracking objects headed for the Moon on his own; that's a job that should really belong to a formal international system, not to one person's goodwill.

What's still unresolved

Neither the space agencies nor SpaceX made any formal statement about the impact, and that says something on its own: under the current rules, there's no clear duty to explain a collision on land that belongs to no one. This episode isn't causing a diplomatic crisis, but it works as a warning. As Artemis, the ILRS, and private companies send more and more launches toward the Moon in the coming years, the chance that an impact like this one hits a base, a rover, or an active mission stop being a remote possibility. And for that scenario, international space law, written mostly in the 1960s and 1970s with states in mind rather than fleets of private rockets, still doesn't have a clear answer.

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The Crater SpaceX Left on the Moon

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