Martin Halliwell is a Partner at NewSpace Capital, one of the world’s first private equity firms devoted exclusively to growth-stage companies working in the space technology sector. He formerly served as Chief Technology Officer of SES, where he led global technology and R&D from 2011 to 2019. Halliwell contributed this article to Space.com’s Expert Voices section.
There are now some 16,000 active satellites in orbit. Market intelligence firms like Novaspace say that up to 43,000 satellites will be built and launched over the coming decade. Others, such as Goldman Sachs, think as many as 70,000 new low-Earth orbit (LEO) satellites could be launched in the next five years alone. The exact number is less important than what these predictions reveal: that satellite constellations are getting bigger.
This is a good thing. Space is a crucial enabling force in the modern world, touching just about every part of ordinary life. But as these constellations grow, it will become increasingly difficult for human operators to run them. A network of a few satellites can be managed from the ground; a network of hundreds, or even thousands, cannot be managed in the same way. These satellites must share data, avoid interfering with one another, meet changes in customer demand, and deal with technical problems. Some decisions must be made in seconds, without waiting for instructions from Earth. This is why onboard processing, automation and artificial intelligence are becoming all-important. Satellites will need to sift through and analyze more information in orbit, then act within clear limits set by human operators.
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