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Hera’s mini-radar will probe asteroid’s heart

Written by  Thursday, 10 August 2023 06:48
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Juventas studies asteroid's internal structure

The smallest radar to fly in space has been delivered to ESA for integration aboard the miniature Juventas CubeSat, part of ESA’s Hera mission for planetary defence. The radar will perform the first radar imaging of an asteroid, peering deep beneath the surface of Dimorphos – the Great Pyramid-sized body whose orbit was shifted last year by the impact of NASA’s DART spacecraft.

JuRA radar packaging
JuRA radar packaging

“It feels good to deliver something to our customer, but it will feel even better once everything is fully integrated and tested,” comments Cedric Lorant, EmTroniX co-founder and CEO.

“Once JuRa is integrated with the rest of the Juventas CubeSat, and we perform remaining tweaks such as re-flashing it to the latest firmware, then we will assess how the instrument performs within its working environment.”

Planned to perform at least 45 hours of operations during the two-month working life of Juventas, JuRa incorporates some of the latest electronic components, but they had to undergo painstaking radiation testing ahead of delivery to ESA, because the space beyond Earth orbit is riven with charged particles that can degrade electronics.


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