#teamradar — Public Fediverse posts

I have a 3D print of the old #TeamRadar #1998KY26 shape model, which was always suspiciously symmetric - because it turned out to be aliased.

Maybe I should order a new one.

QT Agata Rożek @agastro.bsky.social‬
2025 September 18

Check out our tiny rock featured by @esoastronomy !

Now available in Nature Comms: https://www.nature.com/articles/s41467-025-63697-4

We measured the size using the new lightcurve shape models and old radar data #TeamRadar

https://bsky.app/profile/agastro.bsky.social/post/3lz44rubvus26

#WithoutNSF we would not have had the Arecibo Observatory until 2020; and we would not have the Green Bank Telescope, the Very Large Array, or the Very Long Baseline Array - all of which #TeamRadar has used to make sure that asteroids are not going to fall from the sky.

Additional background information on dark comets:

#TeamRadar observed the dark comet #1998KY26 in 1998: https://echo.jpl.nasa.gov/asteroids/ostro+1999_ky26_science.pdf . It is a lumpy ball ~30 m across.

The #Hayabusa2 spacecraft is now on its way there, with arrival in 2031 July.

Discussed at #ACM2023 today.

QT Michael Busch 2022 Dec 19 @michael_w_busch

Today on the arXiv:

Seligman et al. 2023, "Dark Comets? Unexpectedly Large Nongravitational Accelerations on a Sample of Small Asteroids" - arxiv.org/pdf/2212.08115…

Suggests outgassing from asteroid #1998KY26, to be visited by Hayabusa 2, at a level #TeamRadar could not detect.

Today on the arXiv:

Seligman et al. 2023, "Dark Comets? Unexpectedly Large Nongravitational Accelerations on a Sample of Small Asteroids" - https://arxiv.org/pdf/2212.08115.pdf

Suggests outgassing from asteroid #1998KY26, to be visited by Hayabusa 2, at a level #TeamRadar could not detect.