Matthew Griffin, described as “The Adviser behind the Advisers” and a “Young Kurzweil,” is the founder and CEO of the 311 Institute, a global Futures and Deep Futures consultancy working between the dates of 2020 to 2070, and is an award winning futurist, and author of “Codex of the Future” series. Regularly featured in the global media, including AP, BBC, Bloomberg, CNBC, Discovery, RT, and Viacom, Matthew’s ability to identify, track, and explain the impacts of hundreds of revolutionary emerging technologies on global culture, industry and society, is unparalleled. Recognised for the past six years as one of the world’s foremost futurists, innovation and strategy experts Matthew is an international speaker who helps governments, investors, multi-nationals and regulators around the world envision, build and lead an inclusive, sustainable future. A rare talent Matthew’s recent work includes mentoring Lunar XPrize teams, re-envisioning global education and training with the G20, and helping the world’s largest organisations envision and ideate the future of their products and services, industries, and countries. Matthew's clients include three Prime Ministers and several governments, including the G7, Accenture, Aon, Bain & Co, BCG, Credit Suisse, Dell EMC, Dentons, Deloitte, E&Y, GEMS, Huawei, JPMorgan Chase, KPMG, Lego, McKinsey, PWC, Qualcomm, SAP, Samsung, Sopra Steria, T-Mobile, and many more.
WHY THIS MATTERS IN BRIEF
Transportation on Earth is going fully autonomous, and now so too are spacecraft.
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You’ve heard of self-driving cars and trucks, flying cars, and probably even self-driving cargo ships, but soon we’ll be able to add a new type of vehicle to the self-driving category – spacecraft. And if you’re going to spend millions of dollars on a spacecraft, you might as well try to cram in as much as possible.
With that in mind, the European Space Agency (ESA) has now detailed the “side mission” it’s planning for the asteroid-visiting spacecraft Hera. After the projects main work is accomplished, which is to bump the asteroid off course, the new spacecraft will then test out some new autonomous navigation systems, which should help future spacecraft get around without relying on ground control all the way back on Earth – something that the agency sees as a necessity as we continue to explore the further reaches of space – and one day visit them.
Hera is part of a planetary defense test known as the Asteroid Impact and Deflection Assessment (AIDA), which as the name suggests is designed to figure out how we might go about nudging a potential Earth bound space rock off-course. The target is a binary asteroid called Didymos, which consists of a tiny 160-meter-wide (525-ft) rock orbiting a larger, 780-m (2,560-ft) asteroid.
The mission itself is also kind of a binary system, involving two spacecraft. The first being the NASA designed DART probe that I’ve discussed before which has been designed specifically to smash into the smaller rocky asteroid, with the aim of nudging it off course, and which, of course, after its mission is completed won’t be around to see the next part of the show, and that’s where Hera, the second spacecraft then comes in.
Currently being designed by ESA Hera will enter orbit around Didymos and look out for changes in the smaller rock’s orbit, as well as investigate the crater left behind on its surface. But that’s not all.
ESA has previously alluded to the craft’s self-driving abilities, and now the space agency has revealed just how that will work. Hera will function using three different autonomous modes, depending on its distance of Didymos.
“If you think self-driving cars are the future on Earth, then Hera is the pioneer of autonomy in deep space,” says Paolo Martino, Hera’s lead systems engineer. “While the mission is designed to be fully operated manually from [the] ground, the new technology will be tested once the core mission objectives are achieved and higher risks can be taken.”
The first mode will be tested on approach, when the asteroid just looks like any other star. To identify it, Hera will take multiple images of the rock to register its motion against the background starfield. That said, at this stage the craft won’t be entirely autonomous – since it’s too valuable to risk before its main mission is complete, this will be more of a secondary test.
The second mode will be used for the bulk of the mission, when Hera is within 30 to 8 km (18.6 to 5 mi) of the surface of Didymos. At this stage, the craft’s camera will use the hard-to-miss reference point of the larger asteroid to figure out where it is.
“This mode depends on having the big asteroid smaller than our overall camera field of view, and detecting the contrast of its edges giving way to the space beyond,” says Massimo Casasco, a guidance, navigation and control (GNC) engineer at ESA. “We take advantage of its roughly-spherical shape to fit it within a circle and estimate the line-of-sight distance between the spacecraft and the asteroid ‘centroid’.”
The third mode is the toughest one to pull off. Kicking in when the craft is too close to see the whole asteroid, the camera will instead look for surface features to try to navigate.
“This will be a matter of imaging the same features – such as boulders and craters – in different pictures to gain a sense of how we’re moving with respect to the surface, combined in turn with other information including onboard accelerometers for dead reckoning and the thermal infrared camera for overflying the asteroid’s night side,” says Jesus Gil Fernandez, another ESA GNC engineer.
If the mission is successful, similar self-driving tech could eventually find its way into future spacecraft that would ideally free up ground teams from having to oversee every minor step of a spacecraft’s movement.
Hera is currently in the detailed design work phase, and is due to be presented to Europe’s space ministers in November. If all goes to plan, it should launch in 2023 and a test of the system can be seen in the video above.