PARIS, 4 February 2019 (ESA PR) — ESA’s planet-defending Hera mission will set a new record in space. The asteroid investigator will not only be the first spacecraft to explore a binary asteroid system – the Didymos pair – but the smaller of these two worldlets, comparable in size to Egypt’s Great Pyramid of Giza, will become the smallest asteroid ever visited.
From afar, one asteroid looks much like another, until comparing them directly. Checking the well-known scale chart prepared by the Planetary Society of all asteroid and comets so far surveyed by spacecraft and the larger Didymos asteroid would form a modest dot, with its smaller moonlet struggling to make a single pixel.
PARIS (ESA PR) — When ESA’s planned Hera mission journeys to its target binary asteroid system, it will not be alone. The spacecraft will carry two tiny CubeSats for deployment around – and eventual landing on – the Didymos asteroids. Each companion spacecraft will be small enough to fit inside a briefcase, as compared to the desk-sized Hera.
NASA’s ambitious effort to redirect a small asteroid has run into challenges with its financing, technology and foreign partner that could delay its launch and reduce its scientific return, according to a new assessment by the Government Accountability Office (GAO).
The Double Asteroid Redirection Test (DART) will impact the smaller of the binary near-Earth asteroid Didymos. Scientists will study how the asteroid is deflected to learn how similar systems might be used on potentially hazardous near-Earth objects.
LAUREL, Md. (JHU APL PR) — The first-ever mission to demonstrate an asteroid deflection technique for planetary defense – the Double Asteroid Redirection Test (DART), which is being designed and would be built and managed by the Johns Hopkins Applied Physics Laboratory – is moving from concept development to preliminary design phase, following NASA’s approval on June 23.