NASA Van Allen Probe A Satellite Burning Up on Earth Re-entry March 10

NASA's 1,300-pound Van Allen Probe A satellite is expected to fall back to Earth around March 10th. This is a large satellite that will mostly burn up.
By Newsroom | Space, Science |

A 1,300-pound NASA satellite, the Van Allen Probe A, is slated for an uncontrolled re-entry into Earth's atmosphere on March 10th. After nearly 14 years in orbit, the spacecraft, originally designed to study Earth's radiation belts, will largely burn up upon its descent. Experts suggest that while most of the satellite will disintegrate, there is a small possibility that some fragments could survive and reach the ground.

‘Don’t Worry About It’: NASA Satellite to Burn Up in Fall to Earth - 1

The uncontrolled nature of the re-entry means NASA engineers cannot direct its trajectory, leaving the precise landing spot uncertain. The U.S. Space Force has projected the re-entry with a plus or minus 24-hour window. While the event is generating some public concern, the risk of harm from falling debris is considered extremely low, with one estimate placing the chance of injury to any individual at 1 in 4,200.

Read More: German House Roof Damaged by Meteorite Fragment on March 8 2026

‘Don’t Worry About It’: NASA Satellite to Burn Up in Fall to Earth - 2

Van Allen Probe A's Mission and Legacy

The Van Allen Probe A, along with its twin, was launched in 2012 as part of a mission to gain a deeper understanding of Earth's Van Allen radiation belts. These belts, composed of charged particles trapped by the planet's magnetic field, shield Earth from solar storms, cosmic radiation, and solar wind. The probes gathered significant data, contributing to the discovery of a transient third radiation belt that can form during intense solar activity. This research is vital for predicting the impact of solar events on satellites, astronauts, communication systems, and power grids. The mission extended well beyond its initial two-year design life, continuing data collection for nearly seven years before fuel depletion led to its retirement.

‘Don’t Worry About It’: NASA Satellite to Burn Up in Fall to Earth - 3

The Broader Context of Space Debris

The re-entry of defunct satellites is not an uncommon occurrence. Thousands of pieces of space debris and retired spacecraft return to Earth's atmosphere annually. Many of these objects, especially those in lower orbits, eventually succumb to atmospheric drag and burn up. For larger or higher-orbiting satellites, however, the fate can be less predictable, with some remaining in orbit for extended periods. NASA's 'spacecraft graveyard' concept, as described by its Space Place initiative, highlights the finite lifespan of these orbital machines.

Read More: New Plant Protein Map Shows How Plants Use Sunlight Better

‘Don’t Worry About It’: NASA Satellite to Burn Up in Fall to Earth - 4

“Defunct satellites and rocket debris re-enter Earth's atmosphere regularly and rarely cause harm.”

The re-entry of Van Allen Probe A is part of a larger, ongoing phenomenon of 'space junk' descending back to our planet. The scientific community largely views these events as routine, with significant efforts dedicated to tracking and mitigating the risks associated with space debris.

What to Expect During Re-entry

As Van Allen Probe A enters the atmosphere, it is expected to undergo a "fiery fall" due to the intense heat generated by friction with the air. The majority of the approximately 1,323-pound (600 kg) spacecraft is predicted to burn up during this process.

"Most of the approximately 1,323-pound spacecraft, Van Allen Probe A, will burn upon re-entry…"

However, the possibility of some surviving fragments reaching the surface means that a precise landing location cannot be determined beforehand. This uncertainty is inherent in uncontrolled re-entries, where factors like atmospheric density and the object's precise orbital path at the moment of descent play crucial roles.

Read More: Scientists Find Space Particle with Record High Energy from Black Hole in October 2023

Frequently Asked Questions

Q: When will the NASA Van Allen Probe A satellite re-enter Earth's atmosphere?
The NASA Van Allen Probe A satellite is expected to re-enter Earth's atmosphere around March 10th. The exact time is uncertain, with a 24-hour window predicted by the U.S. Space Force.
Q: What will happen to the 1,300-pound NASA Van Allen Probe A satellite when it enters Earth's atmosphere?
Most of the 1,300-pound Van Allen Probe A satellite will burn up due to friction with the atmosphere during its uncontrolled re-entry. However, there is a small chance some fragments could survive and reach the ground.
Q: Is it dangerous if parts of the Van Allen Probe A satellite fall to Earth?
The chance of any individual being harmed by falling debris from the Van Allen Probe A is very low, estimated at 1 in 4,200. Most of the satellite is expected to burn up completely.
Q: Why is the NASA Van Allen Probe A satellite falling back to Earth now?
The Van Allen Probe A satellite has completed its mission after nearly 14 years in orbit. It was retired after running out of fuel, and now its orbit is decaying, causing it to fall back to Earth.
Q: What was the purpose of the Van Allen Probe A satellite mission?
The Van Allen Probe A was launched in 2012 to study Earth's Van Allen radiation belts. It helped scientists understand these belts, which protect Earth, and contributed to discovering a temporary third radiation belt.