Scientists Track Cape Cod Meteorite to Outer Solar System Origin
Researchers used radar and citizen science data to trace a rare bolide's trajectory.
1Daytime Bolide Over Massachusetts
On May 30, 2026, a bright daytime meteor, known as a bolide, streaked across the sky over Cape Cod, Massachusetts. The event occurred at 1:06 p.m. local time, producing a sonic boom heard across the northeastern United States. Scientists successfully tracked the object's descent using a combination of radar, infrasound, and camera footage.
2Advanced Radar Network Tracking
The research team utilized the Spread Spectrum Interferometric Meteor Observing Network, or SIMONe, based at MIT’s Haystack Observatory. This system captured critical head echoes, which occur when a meteoroid enters the atmosphere and creates a plasma cloud. These radar measurements provided the most accurate data regarding the object's specific trajectory and atmospheric entry.
3Fragmentation and Energy Release
The meteoroid fragmented at an altitude of 20 miles, releasing energy equivalent to 500 tons of TNT. The total impact energy of the bolide was estimated at 1.1 kilotons of TNT. Only three recorded bolides globally had greater impact energy in 2025, highlighting the relative rarity of this specific atmospheric event.
4Citizen Science Contributions
Data from citizen scientists operating Raspberry Shake and Boom pressure sensors proved vital for the study. Six sensors helped constrain the arrival direction, while five others provided signal periods to estimate energy release. These contributions expanded the coverage of professional networks, allowing researchers to accurately locate the debris field in Cape Cod Bay.
5Jupiter's Gravitational Influence
Trajectory analysis indicates the meteoroid originated from an elongated, comet-like orbit near Jupiter. Scientists believe the gas giant’s gravitational influence perturbed the object from the main asteroid belt, flinging it toward Earth. This process is a known mechanism that slowly depopulates the asteroid belt throughout the solar system's long-term orbital history.
6Physical Object Characteristics
The meteoroid measured approximately one meter across and likely possessed a solid, iron-rich composition. Its ability to penetrate deep into the atmosphere before fragmenting suggests a high density. Researchers confirmed the object was not a comet, but rather an asteroid that had been placed on a unique, Earth-crossing orbital path.
7Gaps in Global Monitoring
Meter-sized meteoroids remain difficult to detect in space compared to larger asteroids. Current radar coverage is sparse, making the observation of the Cape Cod event a stroke of luck for the scientific community. Expanding global meteor radar networks remains a priority for researchers aiming to improve the detection of potentially hazardous space impactors.
8Future Impact Research
While smaller than the 2013 Chelyabinsk event, the Cape Cod bolide demonstrates that combining radar and infrasound data can accurately trace impactors. This methodology helps scientists identify new populations of hazardous objects. The full research findings regarding this specific meteoroid are currently available as a preprint on the arXiv server.
Original article: Space.com — Scientists Track Cape Cod Meteorite to Outer Solar System Origin