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US spy satellite breakup. A US spy satellite, launched in 1988, suddenly fragmented in orbit. Thirty-eight years after its launch, the causes of the event remain unknown.
The spacecraft, part of a classified program, had been inactive and forgotten for decades in the most congested orbital region around the planet. The breakup generated a cloud of debris that is dispersing along uncontrollable trajectories.
US spy satellite breakup: why it matters
The news carries particular significance because it does not concern merely an old, decommissioned military device, but concretely alters safety conditions in low Earth orbit. In this zone, thousands of active satellites, crewed stations, and commercial infrastructure supporting communications, navigation, and Earth observation are currently operating.
What happened to the old spy satellite
The only certain fact at present is that the satellite disintegrated, producing pieces of varying sizes that remain in circulation along uncontrollable trajectories. The precise cause remains unknown. No official explanations have been provided regarding a possible structural failure due to the spacecraft’s age, issues related to residual propellant or still-charged batteries, or an impact with other objects already present in orbit.
A significant aspect is represented by the time interval. Thirty-eight years is a considerable period for an object built with late-1980s technology, designed in a strategic context completely different from today’s and placed in orbit when space debris was not perceived as a concrete threat. At that time, space seemed vast and empty.
The risk to other satellites in orbit
The fragmentation of a body of this size does not produce just two or three pieces, but a true population of objects that progressively disperses along the original orbit. Even small shards, at typical low-orbit velocities, can seriously damage an operational satellite or puncture structures designed to withstand much more substantial impacts.
This is why every event of this type is closely monitored by those responsible for space surveillance. The fragments remain in orbit for prolonged periods, decaying slowly and meanwhile repeatedly crossing the same zones traversed by active vehicles. Each pass represents a collision probability, low if considered individually, but significantly higher when multiplied by thousands of objects and years of persistence.
Satellite operators will have to take this into account in calculations regarding evasive maneuvers, those course corrections that are now an integral part of the routine management of low-orbit constellations. The fundamental question remains open regarding the presence in the sky of obsolete hardware, spent rocket stages, and satellites abandoned for decades, none of which was designed with controlled decommissioning in mind.
The case of this US spy satellite demonstrates how difficult it is to predict the behavior of machines built in another era, left in orbit without active surveillance and capable, after nearly forty years, of breaking suddenly without warning and without an immediate explanation.
Source and further reading on US spy satellite breakup: original article.
* Content created with the assistance of artificial intelligence systems.