As Japan’s Hayabusa2 drew closer to its target Ryugu asteroid, a strange new planetoid came into view – but one with a somewhat familiar shape. This distinct ‘spinning top’ asteroid class has been seen repeatedly in recent years, and might give a foretaste of things to come for ESA’s proposed Hera mission.
via ESA Space Science
http://www.esa.int/Our_Activities/Space_Engineering_Technology/Hera/Spinning-top_asteroids_from_Rosetta_to_Hayabusa2_and_maybe_Hera
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