Soviet Spacecraft Make Impact on Earth After Fifty-Year Voyage

After 53 years traversing the cosmos, a quirky Soviet spacecraft known as Cosmos-482 has made its way back to Earth, penetrating the atmosphere at 9:24 am on Saturday, according to Los Cosmos, a Russian state entity overseeing the space program.

Cosmos-482, designed for a landing on Venus, may have survived its descent. As reported by Roscosmos, its remnants were found scattered across the Indian Ocean near Jakarta, Indonesia.

Launched on March 31, 1972, the Kosmos-482 became tethered to Earth’s orbit due to a premature shutdown of one of its rocket boosters. Its return evokes memories of the Cold War space race, sparking images of terrestrial forces projecting into the solar systems.

“It takes me back to a time when the Soviet Union was bold in space exploration. We might all be more adventurous in space,” remarks Jonathan McDowell, an astrophysicist at the Harvard & Smithsonian Center for Astrophysics, who monitors orbiting objects. “In that context, it is a bittersweet occasion.”

While the U.S. triumphed in the lunar race, the Soviet Union set its eyes on Venus through its Venella program.

Between 1961 and 1984, the Soviets dispatched 29 spacecraft towards this enigmatic world, although many missions did not succeed more than a dozen fell short. The Venella missions observed Venus from orbit, gathered atmospheric data, descended through its caustic clouds, collected and analyzed soil samples, and transmitted the first images from the planet’s surface.

“Kosmos-482 serves as a reminder of the Soviet Union’s encounter with Venus 50 years ago, a tangible relic of that endeavor,” states Asif Siddiqi, a historian at Fordham University focusing on Soviet space activities. “It’s oddly fascinating how the past continues to linger in orbit around the Earth.”

Fifty years later, as the country aims to return to the moon and dispatch probes to Mars, Jupiter, and various asteroids, only an isolated Japanese spacecraft remains at Venus amidst proposals facing delays with uncertain timelines and an unpredictable future.

While landing astronauts on the moon during the space race was a monumental achievement, it also highlighted the rest of our solar system. As the U.S. increasingly focused on Mars, the Soviet Union turned its attention to the second planet from the sun.

“Back then, both nations were intrigued by Mars, but Venus proved a more accessible target,” asserts Kathleen Lewis, curator of the International Space Program at the Smithsonian’s National Air and Space Museum.

Often referred to as Earth’s twin due to its similar size, Venus is shrouded in a dense atmosphere of carbon dioxide and veiled under thick layers of sulfuric clouds. Its surface endures scorching temperatures reaching 870 degrees Fahrenheit, coupled with atmospheric pressure nearly 90 times greater than Earth’s.

“How do you create technology capable of surviving a months-long journey across the solar system, entering a thick atmosphere, and capturing images without being destroyed?” Dr. Siddiqi questioned. “It’s an astonishing challenge to consider solving back in the 1960s.”

Venella 9 Descent Craft and Lander

credit…
Via NASA

The Soviets, unbothered by the challenges presented by such a hostile world, persistently launched hardware towards Venus. At that time, no blueprint existed for such endeavors.

“You were essentially inventing the technology to send to Venus,” Dr. Siddiqi explained. “Today, if a country like Japan wishes to send a mission to Venus, they have decades of knowledge and engineering guidebooks. In the ’60s, there was nothing.”

The Soviet Venella program achieved many milestones, including being the first probe to enter the atmosphere of another planet, the first spacecraft to successfully land on another planet, and the first to capture sounds from an alien landscape.

The breakdown of Kosmos-482 occurred midway through this timeline, and its re-entry wasn’t the first encounter with Earth for the intended Venus lander.

Around 1 am on April 3, 1972, merely days after the troublesome launch, several 30-pound titanium spheres, each the size of a beach ball and inscribed with Cyrillic letters, descended upon the town of Ashburton, New Zealand.

One landed in a turnip field, leaving local residents cautious. The New Zealand Herald reported in 2002 that one of these spheres was ultimately confined in a police cell in Ashburton.

According to space law, ownership of a downed space object belongs to the country that launched it; however, the Soviets did not claim ownership of the sphere initially. The “space ball” was eventually returned to the farmers who discovered it.

Although Cosmos-482 was lost, the two other spacecraft launched days earlier successfully reached Venus and relayed data from the surface for 50 minutes. Two years later, when Venera 9 and 10 arrived, the Soviets ensured redundancy by launching both spacecraft.

The Venera program concluded in the mid-1980s with an ambitious Vega probe, which, starting in 1984, deployed a landing craft on Venus’s surface in 1985 and flew by Halley’s Comet in 1986.

“The legacy of Soviet Venus exploration in the 70s and 80s was a point of pride for the Soviet Union,” Dr. Lewis noted.


The re-entry of Cosmos-482 holds unique historical significance but isn’t particularly unusual today, as nations and companies continue to launch more technology into orbit, resulting in an increase of objects descending from the sky.

“We see frequent re-entries nowadays,” says Greg Henning, an Aerospace Corporation engineer and space debris specialist. The nonprofit organization tracks objects in orbit. “We observe dozens of instances each day, most of which go unnoticed.”

This is particularly true now, as heightened solar activity expands the Earth’s atmosphere, increasing drag on orbiting objects.

Some of these re-entries create spectacular light displays, whether through controlled descents like SpaceX’s cargo and crew capsules or unintentional ones, such as the failed test flight of SpaceX’s Starship prototype. Others, like China’s Long March 5B rocket booster, are uncontrolled and potentially hazardous.

However, in rare instances, spacecraft such as Cosmos-482 return to Earth as remnants of humanity’s formative endeavors.

“There exists an archive of the space race that continues to circle Earth. Many objects released in the 1950s, ’60s, and ’70s remain in orbit,” Dr. Siddiqi remarked. “At times, pieces of this living museum may fall on my head, reminding me of its presence.”

Jonathan Wolf contributed to this report.

Source: www.nytimes.com

Soviet Cosmos 482 Spacecraft Collides with Unknown Locations on Earth

The Soviet spacecraft, which was launched on a failed mission to Venus in 1972, is thought to have crashed to Earth early Saturday morning.

The European Space Agency monitored the craft’s uncontrolled descent and reported that it was last tracked by German radar. By the time of the anticipated crash, radar could no longer locate Cosmos 482, concluding that “it is likely that re-entry has already occurred.”

No injuries have been reported.

Cosmos 482 was part of the Soviet Venera Program, a series of probes designed to study Venus. While ten of these missions successfully landed on the harsh planet, the rocket carrying Cosmos 482 malfunctioned, leaving its upper stage, including the descent module, trapped in Earth’s orbit.

For the next 53 years, the approximately 3-foot-wide, 1,069-pound spacecraft orbited Earth in a smaller, elliptical path until it was close enough to descend into the atmosphere.

It’s common for space debris to re-enter the Earth’s atmosphere. The ESA reports that over 2,400 human-made objects fell from space in 2022. Most burned up upon re-entry, with the majority not landing in the ocean.

However, Cosmos 482 was engineered to withstand the dense atmosphere of Venus and operate on a planet with an average temperature of 867 degrees Fahrenheit (464°C). This design means it was theoretically robust enough to endure a routine re-entry through Earth’s atmosphere.

There are no recorded instances of space debris causing human fatalities. An ESA official stated in a blog post about Cosmos-482, “The risk of a satellite re-entering and causing injury is exceedingly low. The annual chance of an individual being harmed by orbital debris is less than one in 100 billion. By comparison, a person is approximately 65,000 times more likely to be struck by lightning.”

On Friday, U.S. space forces estimated that the spacecraft would re-enter the atmosphere at 1:52 AM on Saturday over the Pacific Ocean, west of Guam.

Source: www.nbcnews.com

Halfton Soviet Spacecraft Set for Earth Collision: No Need to Panic

Discarded Soviet-era spacecrafts do not pose a significant risk to Earth, according to experts.

The Kosmos-482, initially designed for a mission to land on Venus, has been stuck in Earth’s orbit for 53 years due to rocket issues. It is anticipated to re-enter the Earth’s atmosphere in the coming days, with the latest forecasts predicting an uncontrolled descent on Saturday.

While the sight of large metal fragments falling back to Earth might seem alarming, old satellites and rocket debris actually re-enter the atmosphere almost daily. According to the European Space Agency (ESA), such events are quite common.

Typically, spacecraft burn up harmlessly upon re-entry. Even if some components survive the intense heat, it is rare for them to land on populated areas, mainly due to the fact that oceans cover about 71% of the Earth’s surface.

“The likelihood of a satellite re-entering and causing injury is exceedingly low,” noted an ESA official in Blog entries regarding Kosmos-482. “Statistically, an individual has less than a one in 100 billion chance of being harmed by space debris. In contrast, a person is approximately 65,000 times more likely to be struck by lightning.”

ESA’s Space Debris Office predicts that Kosmos-482 will start its descent around 4:26 AM on Saturday, with a possible variance of ±4.35 hours.

Meanwhile, U.S. space forces anticipate an earlier re-entry time of about 1:52 AM on Saturday.

The specific re-entry trajectory remains uncertain due to atmospheric dynamics, space weather, and orbital decay, complicating the task of accurately predicting when and where an uncontrolled spacecraft will land.

As the spacecraft nears re-entry, predictions may become more reliable, but pinpointing the exact landing site remains challenging.

NASA has indicated that the potential landing area could be “52 N-52 seconds latitude,” a vast expanse that includes much of Africa, Australia, North America, South America, and parts of Europe and Asia.

Officials from the Space Force have stated that current projections suggest Kosmos-482 will re-enter the Pacific Ocean, west of Guam, landing south of Australia, possibly over or near the southern ocean.

Launched by the Soviet Union in 1972, Kosmos-482 was part of a mission aimed at landing on Venus but ended up in orbit around Earth following a rocket failure.

While most of the debris from this ill-fated mission returned to Earth decades ago, the spherical landing capsule is anticipated to descend this weekend.

This capsule, measuring around 3 feet in diameter, was engineered to withstand the extreme conditions of Venus, raising questions about its capacity to survive re-entry into Earth’s atmosphere, as highlighted by Marco Langbroek, a scientist from the Delft Institute of Technology in the Netherlands, who has been monitoring Kosmos-482 and posting updates online.

“Even if it manages to re-enter, there’s a chance that it might collide intact,” Langbroek noted in a blog update on Thursday. “However, the impact could be severe, and I highly doubt the parachute deployment system will function after 53 years of battery drainage.”

Nonetheless, this does not imply that coastal populations are at imminent risk.

“While the risks are not exceedingly high, they aren’t nonexistent. With masses under 500 kg and impacts resembling those of meteorites, the probabilities are similar,” he wrote.

Source: www.nbcnews.com

Soviet Probe’s Imminent Crash with Earth: The Impact Location Remains Unknown

Model of Kosmos 482, originally set for Venus

Wikimedia Commons

Over 50 years after its launch, the Soviet spacecraft Cosmos 482 is set to return to Earth. Initially designed to land on Venus, it began to disintegrate in low Earth orbit, never completing its intended mission. After orbiting our planet for decades, it is finally on a path to re-enter.

Kosmos 482 was launched in 1972; however, much about its mission and structure remains classified due to its Cold War origins. The intention to reach Venus is inferred from other Soviet missions focused on the planet at that time, and indications suggest that the spacecraft attempted a maneuver in orbit before fragmenting. The exact reason for its failure is unclear, but three out of four pieces landed in New Zealand shortly after launch.

The last fragment has drifted into a higher orbit, approximately 210 km at its closest to Earth and as far as about 9,800 km. Over time, particles from the Earth’s upper atmosphere have slowed its descent, gradually bringing it closer to re-entering. It is projected to crash on May 9th or 10th.

The capsule remains of the spacecraft are estimated to be over one meter wide and weigh nearly 500 kilograms. Given its size and the possibility that it was engineered to withstand the intense conditions during a Venusian descent, impact speeds may exceed 200 km/h.

Predicting the exact impact site for Kosmos 482 is challenging. Based on its current trajectory, it could land anywhere between the latitudes of 52° south and 52° north, covering a vast area from the southern tip of South America to parts of Canada and Russia. Fortunately, despite the extensive range of potential landing sites, the likelihood of it striking a populated area is minimal. “The numbers are infinitesimally small,” stated Marsin Pilinsky from the University of Colorado Boulder. statement. “The ocean is a likely landing zone.”

Pilinsky is part of a team monitoring the debris. As the re-entry date approaches, landing predictions will become more accurate. Instances of space debris falling to Earth are not rare; for instance, NASA tracks one orbital object entering the atmosphere daily, with most either burning up or landing in oceans. However, Kosmos 482 is notably larger and more robust than typical space debris.

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Source: www.newscientist.com

Everything You Should Know About Cosmos-482: The Soviet Spacecraft’s Return to Earth After 53 Years

The robotic Soviet spacecraft has been floating in space for 53 years. It will return to Earth later this week.

Launched in March 1972, the Kosmos-482 was meant to land on the dynamic surface of Venus, marking the ninth mission in the Soviet Venella program. However, a malfunction left it orbiting Earth, where it has been circling ever since.

“This artifact was slated for Venus 50 years ago, lost and forgotten for half a century,” stated Jonathan McDowell, an astronomer at the Harvard & Smithsonian Center for Astrophysics. He pointed to the Public Catalog of space objects, adding, “Although it’s headed for the wrong planet, it will still create a moment of atmospheric entry.”

Having a protective heat shield, the spacecraft weighs roughly 1,050 pounds and is built to endure its descent through Venus’s harsh atmosphere, meaning it may survive the plunge and reach at least partway to the surface.

Nonetheless, the chance of ground impact is minimal.

“I’m not concerned—I’m not warning my friends to hide,” said Darren McKnight, Advanced Technology Fellow at Leo Labs, a company tracking orbital objects, which monitors Kosmos-482 six times daily. “We typically see a large object re-enter Earth’s atmosphere about once a week.”

The estimates are updated daily, but the current anticipated re-entry date is Friday or Saturday. The New York Times will provide updated estimates as they arise.

According to the Aerospace Corporation, which monitors space debris, there is a predicted re-entry window of 12:42 AM Eastern Time on May 10, with a margin of error of 19 hours. Window Calculation

Marco Langroek, a satellite tracker at Delft Institute of Technology, has been monitoring Cosmos-482 for several years and estimates a re-entry around 4:37 AM Eastern Time on May 10, with similar uncertainties.

The exact landing spot remains unknown. “And we won’t know until after it happens,” Dr. McDowell noted.

The Kosmos-482 travels at over 17,000 mph, and atmospheric friction slows it down rapidly, making timing crucial; even a slight miscalculation could land it in a completely different location.

What is certain is that the orbit of Kosmos-482 encompasses latitudes between 52°N and 52°S, covering large sections of Africa, Australia, North America, and much of Europe and Asia.

“There are three outcomes when an object re-enters: splashing, destruction, or injury,” Dr. McKnight remarked.

“A splash is ideal,” he added, noting that much of the Earth is ocean, while the undesired outcomes would be “destruction” or “injury.”

If Kosmos-482 endures the re-entry, it will impact at approximately 150 miles per hour, provided its heat shield remains intact. “I doubt much will remain after that,” Dr. McDowell stated. “Imagine crashing a car into a wall at 150 mph; not much would be left.”

If it returns over a populated area during nighttime, observers may see Kosmos-482 as bright streaks racing across the sky.

Should any part of the spacecraft survive the descent, it will legally be owned by Russia.

“Under international law, any found object must be returned,” explained Michelle Hanlon, Executive Director of the Aerospace Law Center at the University of Mississippi. “Russia is recognized as the registered owner and retains jurisdiction over the objects.”

Roughly 25 years ago, Dr. McDowell sifted through Norad’s catalog of some 25,000 orbital objects, attempting to identify each one. He often found the answer was, “this is debris from a rather dull rocket explosion.”

However, one object, 6073, stood out; launched from Kazakhstan in 1972, it traveled between 124 and 6,000 miles from Earth in a highly elliptical orbit.

Analyzing its trajectory and dimensions led Dr. McDowell to theorize it was likely the much-anticipated Kosmos-482 lander rather than merely debris from a failed launch, a hypothesis confirmed by multiple ground observations and recently declassified Soviet documents.

Source: www.nytimes.com