A Soviet-era spacecraft, Kosmos 482, is on track to re-enter Earth's atmosphere after orbiting the planet for over five decades. Originally launched in 1972 as part of the USSR's ambitious Venera space program, Kosmos 482 was designed to explore Venus. However, due to a rocket malfunction shortly after launch, it never made it to Venus and instead entered into an elliptical Earth orbit. Now, after more than 50 years of orbiting Earth, the spacecraft is finally set to crash back to the planet.
The Journey of Kosmos 482
Kosmos 482, a spherical spacecraft weighing around 500 kilograms and measuring roughly 3 feet in diameter, was initially launched to explore Venus. The mission aimed to study the harsh environment of Venus, but a malfunction prevented the spacecraft from escaping Earth’s orbit. Since then, it has continued to circle the Earth, remaining mostly out of human sight but being tracked by scientists and researchers.
Despite the spacecraft’s failure to reach its destination, it was built with exceptional durability to withstand Venus’s extreme heat and pressure. This robust construction, which included a titanium exterior, means that parts of Kosmos 482 may survive its fiery descent through Earth's atmosphere when it re-enters. While most of the spacecraft will burn up during re-entry, fragments could potentially make it to Earth’s surface. Experts believe that the object could land in the ocean or in an uninhabited area, significantly reducing any risk to human life.
Expected Re-Entry Timing and Location
Kosmos 482’s re-entry is scheduled for May 10, 2025, with estimates ranging from 4 a.m. to 9:30 a.m. BST. Given the spacecraft’s unpredictable elliptical orbit and the dynamic effects of solar weather, it’s difficult to pinpoint the exact time and location of its impact. Scientists are closely monitoring the re-entry of Kosmos 482, with potential impact zones stretching from the Georgia-Azerbaijan region to Pakistan. Despite this uncertainty, the chances of it hitting a populated area are minimal, as the Earth's surface is predominantly ocean and uninhabited regions.
The Impact and Risks
Though Kosmos 482 is expected to burn up as it descends through the atmosphere, the materials used in its construction—especially the titanium—may allow some parts to survive. The spacecraft was built to withstand extreme heat, and this durability might enable certain pieces to survive the re-entry and crash at high speeds. Experts have estimated that Kosmos 482 could crash at a speed as fast as 150 miles per hour (about 240 km/h). While this impact speed is considerable, the risk of significant damage is minimal given the likely landing in uninhabited areas.
International Monitoring and Legal Considerations
Kosmos 482’s descent is being closely monitored by researchers from around the world, including those at University College London, Space Environment Technologies, and the University of Colorado Boulder. These teams are tracking Kosmos 482’s movements as it nears Earth. Additionally, experts have noted that under the United Nations Outer Space Treaty, any surviving pieces of the spacecraft would legally belong to Russia, as Kosmos 482 was originally launched by the Soviet Union, now the Russian Federation.
A Significance Beyond the Crash
Beyond the immediate interest of the spacecraft’s crash, scientists are using this event to refine their understanding of atmospheric drag and orbital decay. The study of these phenomena is crucial in improving space weather predictions and managing the increasingly crowded low-Earth orbit, where numerous satellites and space debris are located.
While the event poses minimal risk to humans, it is a reminder of the lasting impact of space exploration—both the achievements and the remnants left behind. Kosmos 482’s final descent provides a unique opportunity for researchers to study atmospheric effects and orbital dynamics, contributing to the ongoing evolution of space exploration safety and technology.