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As the title says, is it known how big, or massive, hayabusa2's sample is, due for Earth touchdown on 6th December?

I have tried some basic internet research but found nothing on the anticipated sample size.

Edit: Evidence that nobody knows yet would also be an acceptable answer.

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  • $\begingroup$ Different spacecraft and mission, but interesting comparison: Actual mass of Hayabusa samples in 2010? $\endgroup$
    – uhoh
    Nov 24, 2020 at 20:30
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    $\begingroup$ @uhoh - I'm certainly hoping they get more than they did with Hayabusa. $\endgroup$ Nov 24, 2020 at 20:43

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A total of 5.424 ± 0.217 g was collected from Ryugu https://www.nature.com/articles/s41550-021-01550-6

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