Miniature space janitors to sweep up orbiting debris

By David Pescovitz

There are an estimated 129 million tiny bits of debris floating in orbit that, due to their high velocity, can cause catastrophic damage to space vehicles and satellites. Rensselaer Polytechnic Institute researchers are developing a compact orbiting device to semi-autonomously seek out the debris and catch it in a net. Designed as a system of CubeSats, each just 10 cm x 10 cm x 10 cm, the trash collector, called OSCaR (Obsolete Spacecraft Capture and Removal), will collect the tiny pieces of junk until it's full and then deorbit itself to burn up in the atmosphere. From RPI:

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