NASA’s Van Allen Probe A Set for Re-Entry
NASA’s Van Allen Probe A is expected to re-enter Earth’s atmosphere on March 10, 2026, around 7:45 p.m. EDT. The spacecraft, which weighs approximately 1,323 pounds (600 kg), poses a minimal risk to the public, with NASA estimating a 1 in 4,200 chance that debris could harm someone on Earth.
Most of the spacecraft is anticipated to burn up upon re-entry, with some components likely to survive the descent. NASA and the US Space Force will continue to monitor the re-entry and update predictions as the date approaches. Mark Matney, a NASA official, stated, “The odds that you will be hit are one in several trillion, so quite low for any particular person.”
The Van Allen Probe A was launched on August 30, 2012, alongside its twin, Van Allen Probe B, to study the Van Allen radiation belts that surround Earth. These probes provided valuable data until they were deactivated in 2019 when they ran out of fuel. Originally, the re-entry was predicted for 2034, but this timeline was moved forward due to increased solar activity affecting the satellite’s trajectory.
Debris falling from space is not uncommon; an estimated 5,400 tons of material has survived re-entry over a 40-year period. Despite this, NASA states that there’s very little chance of the satellite causing any significant damage on Earth. Jonathan McDowell, an astronomer, noted, “For the average person, it will be a nice light in the sky if you get lucky and, otherwise, don’t worry about it.”
As the re-entry date approaches, observers are keenly watching for updates regarding the exact location where the satellite will re-enter Earth’s atmosphere, which remains unclear. Additionally, the timing of the re-entry could vary by as much as 24 hours, adding to the uncertainty surrounding this event.
Details remain unconfirmed, but the anticipation surrounding the Van Allen Probe A’s re-entry highlights the ongoing interest in space exploration and the legacy of missions that contribute to our understanding of Earth’s environment.