Students prove $30 device could help declutter Earth's backyard
A prototype satellite built to test a deployable drag sail to de-orbit satellites appears to have fulfilled its purpose, burning up on re-entry earlier this month after spending just 445 days in orbit.
SBUDNIC, an acronym chosen to be a play on"Sputnik," was put together by students at Brown University, Rhode Island, using low-cost off-the-shelf commercial components. The CubeSat design featured a drag sail made from Kapton polyimide film, and with structural supports of thin aluminum tubing, which deployed once the satellite was in orbit.
The project was intended to demonstrate a potential solution to the problem of low Earth orbit becoming a graveyard for more and more defunct satellites that have reached the end of their life, as. If proved successful, the idea is that future satellites could incorporate a similar mechanism to help de-orbit them at the end of their life span.launch in May last year as part of a payload comprising a number of other small satellites.
The decay of the CubeSat's orbit accelerated as it dropped lower, such that its last known altitude was just 146 kilometers on August 8, shortly after which it is assumed to have been destroyed by burning up in the atmosphere.
Belgique Dernières Nouvelles, Belgique Actualités
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