Astronomers Use "Blind Stacking" to Uncover Invisible Space Junk Threatening Geosynchronous Orbit
Astronomers are using a 'blind stacking' algorithm to detect small pieces of space debris in geostationary orbit. This technique helps identify fragments that are too faint for traditional sensors to track.
Why it matters
Protecting satellites in geostationary orbit is essential for maintaining global communications, weather tracking, and GPS services.
Geostationary orbit (GEO) is arguably one of the most important orbital spaces we have. So it's critical that we keep it clear of debris that could destroy the valuable GPS, weather tracking, and communications satellites already in this orbit. Unfortunately, that is easier said than done; small pieces of debris at that altitude can slip past even our most sensitive sensors. But now, a new paper published in the Journal of Astronautical Sciences by James Blake and an international collaboration of researchers showcases how an advanced algorithm can help find tiny pieces of debris that would otherwise be missed by traditional surveys.
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