Authors: Amna Hashmi and Amina Munir
How Orbital Debris is Redrawing the Boundaries of Sovereignty.
Throughout decades, outer space was viewed as some sort of refuge and a worldwide syndrome by IR scholars as a commons governed by the lofty, yet amorphous, principles of the 1967 Outer Space Treaty. A new Iron Curtain is being created today; however, this time it is not constructed using concrete but by using millions of pieces of spinning metal. This is the Kessler Syndrome, which describes a situation in which the density of objects in low Earth orbit (LEO) becomes so high due to space pollution that collisions between these objects cascade. It is an exponential growth of space debris with time. The Kessler Syndrome can be re-theorized because, although most people tend to think of this in terms of environment or engineering, it is actually a geopolitical weapon of passive denial.
Defensive Realism and the Security Dilemma
In the earthly space (world), states attempt to protect themselves through the construction of walls or alliances. The security sought in LEO takes more of a density form. Because states like the U.S., China, and Russia are competing over orbital slots, these states are found to be in a classic security dilemma: when one state chooses to achieve orbital awareness or satellite resilience, they are considered by the other states to be making a step towards space dominance.
This dilemma is brought into the Kessler Syndrome with the introduction of a spoiler variable. Orbital debris is a passive weapon, unlike the nuclear weapons that need active intent to employ them. A state that is not technologically advanced enough to play the orbital dominance game can potentially have a strategic use of the Tragedy of the Commons. A weaker actor can easily counter the high-tech advantage of a superpower by developing a debris field. Assuming a military and economic engine of a superpower is tied to GPS and satellite communication, then a locked sky, caused by a Kessler cascade, is the final asymmetric equalizer.
The following Iron Curtain is not emerging on the planet. It is shaping and shaping itself above it—bit by bit, circle by circle.
Case Study I:
Russia used a direct-ascent anti-satellite (ASAT) missile in November 2021, shooting down its own defunct Cosmos 1408 satellite by doing so. The resulting explosion generated over 1,500 pieces of trackable debris, which forced astronauts on the International Space Station to take cover.
In its conventional view of the military, the test was a show of potential. In IR terms, it was a game of “Orbital Brinkmanship.” Russia indicated that it was capable of generating a localized Kessler cascade at any time by deliberately putting a debris cloud into a highly populated orbital plane. It is a type of deterrence by denial; it gives the message to competitors that any effort to conquer that particular orbital altitude will have a mutually assured destruction of the orbital environment. This test, therefore, proved that debris is not just a byproduct of war but a signal of the “ungovernability” of the commons.
Case Study II:
The emergence of non-state actors, in the case of SpaceX Starlink, presents a post-Westphalian issue of IR theory. We are now seeing the digital enclosure of the celestial commons, with tens of thousands of satellites planned to be launched into orbit in addition to the already more than 5,000 satellites orbiting.
Although Starlink can give connectivity to the entire world, its high density enhances the statistical likelihood of a Kessler event. This creates a new form of sovereignty, wherein IR, we traditionally define sovereignty as the capacity to drive out other people in a land. In LEO, SpaceX and the U.S. (as the launching state) are achieving a de facto sovereignty, as it is not by means of legal decree but through congestion. When an orbital shell is congested with 40,000 satellites, it is physically impossible that a competing state would put its infrastructure into the same space without colliding in a disastrous collision. It’s the soft occupation of space where the risk of a Kessler cascade serves as a gateway blocking the Global South and the new space powers.
After being viewed as the last refuge of humanity, outer space is becoming more controlled by collision likelihood than by agreement, and orbital debris has become a strategic factor in power.
Substantiating the Claim
The existing international law is poorly placed to address these realities due to the fact that it is based on regime theory, which presupposes that states will work together in order to conserve a resource if it is rational in their long-term interests. Nonetheless, the Kessler Syndrome contradicts this very rational actor model. The long-term interest of maintaining space for humanity is often compromised in a multipolar world in the name of the short-term security of depriving a competitor of an orbital edge.
Moreover, there is this attribution problem here too, which further makes accountability difficult. Who is responsible if a bit of Chinese test debris, 10 years old, strikes a French satellite, triggering a cascade that kills a Brazilian communications array? The Liability Convention, enacted in 1972, has hardly been tested and is not tough enough to impose orbital cleanup. This legal loophole promotes the behavior of irresponsibility because the expenses of debris are socialized to the international community, whereas the advantages of the original launch are privatized by the state.
Toward a New “Orbital Realism”
The Kessler Syndrome is more than a catastrophe of physics; instead, it is a catastrophe of governance. It is the extreme of the Westphalian system of states. The threat of a self-sustaining collision cascade will ultimately make a fundamental change in IR: it will no longer be a race to the top, but a race to the bottom, with the power to destroy the commons no less strategically significant than the power to use it. To avoid the “New Iron Curtain” situation, IR scholarship needs to leave the myth of space as a sanctuary and adopt an orbital realism. This demands a new form of norms that would accept orbital space as a limited, delicate, and sovereign-proximate resource. Otherwise, there will be a Dark Age in world connectivity where the same technology that was supposed to unite the world, the satellite, will be the tool of its irreversible seclusion.
In this new orbital order, the definition of power has ceased to be determined by access or ability but rather by the ability to make access impossible. The Kessler Syndrome is therefore a significant change in the perception of international relations from not how to govern common spaces, but rather how to take advantage of their vulnerability strategically. Uncontrolled orbital debris will formalize inequality in space, entrap technological advantage in the corrosion of space, and make the global commons a stratified hierarchy of exclusion. Devoid of any turn toward Orbital Realism, mankind is running the risk of finding out too late that the most creative method of gaining control over space was never to gain control over it but to render it unusable.
