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Heras navigation around the asteroids

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How will ESA’s Hera mission find its way through deep space and then navigate around the Didymos binary asteroid system? The spacecraft will navigate itself in three different modes, dependent on its distance from the asteroids. From far away the asteroid pair will appear as one bright point among many, but will gradually move compared to the still background stars. The second mode will see Hera from 30 km to 8 km distance, centring Didymos in its field of view by looking for the contrast between the edge of the roughly-circular asteroid and the cold dark of space. When the spacecraft grows closer than about 8 km then Didymos will fill its field of view. So Hera will switch to identifying surface features such as boulders and craters and tracking their motion to determine the spacecraft’s own relative position. Credit: ESA-Science Office ★ Subscribe: and click twice on the bell button to receive our notifications. Check out our full video catalog: Follow us on Twitter: On Facebook: On Instagram: On LinkedIn: On Pinterest: On Flickr: We are Europe's gateway to space. Our mission is to shape the development of Europe's space capability and ensure that investment in space continues to deliver benefits to the citizens of Europe and the world. Check out to get up to speed on everything space related. Copyright information about our videos is available here: #ESA #HeraMission #Astroid

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