2011 UW158 – Astronomy Now

8 December 2023

Latest News

[ 7 November 2023 ] First colour images from Euclid space telescope get rave reviews News
[ 11 September 2023 ] The Great Square of Pegasus: heralding autumn News
[ 18 August 2023 ] New comet predicted to brighten rapidly as it sprints Sunwards News
[ 2 August 2023 ] NASA picks up faint carrier signal from Voyager 2 News
[ 31 July 2023 ] Razor-sharp test images show Euclid’s instruments performing as expected News

First detailed images of rare asteroid to pass close by Earth on 19 July

19 July 2015 Astronomy Now

Asteroid 2011 UW158 passes just 6.4 lunar distances (1.53 million miles) miles from Earth at 3:37pm BST today. The 300 metre by 600 metre body was imaged in detail by radar during observations made with the Arecibo Observatory on 14 July, revealing that it is not a typical asteroid.