This article originally appeared on Sept 16, 2019 at MIT Technology Review online.

NorthStar Earth & Space thinks it might have a remedy. The Canadian space company is developing a constellation of 40 satellites that will work to monitor and track space debris, with commercial service starting in 2021. NorthStar will track the debris with a combination of hyperspectral, infrared, and optical sensors. Its software analyzes that data they produce and creates forecasts to predict potential collisions.