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Sam Deen

@planetaryscience

amateur astronomer. does amateur astronomy things. I generally despise most of social media's trappings, so you can expect only astronomy related posts from me.

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03.03.2026
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Latest posts by Sam Deen @planetaryscience

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2024 YR4: Identification of Possible Precoveries in 2016 IPTF Data 2024 YR4 is a 40-100 meter-diameter asteroid and former Torino Scale 3 object which currently has a roughly 4% chance of impacting the Moon on 2032 December 22, an event which recent studies suggest c...

Today on the #arXiv :

Deen & Lam 2026, "2024 YR4: Identification of Possible Precoveries in 2016 IPTF Data" - arxiv.org/abs/2603.00449

This paper presents an archival search of old telescope images of #2024YR4 . It just happened to fall in gaps of several surveys.

03.03.2026 05:06 ๐Ÿ‘ 5 ๐Ÿ” 3 ๐Ÿ’ฌ 2 ๐Ÿ“Œ 1

You know what, what the heck. I've given in and made a bluesky account.

Thanks for the coverage! If you or anyone else has any questions about this I'll try to keep an eye here.

03.03.2026 07:12 ๐Ÿ‘ 5 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 1