Rubin Observatory finds 11,000 new asteroids and measures tens of thousands more

Early observations from the Vera C. Rubin Observatory revealed more than 11,000 previously unknown asteroids and provided more precise orbits for tens of thousands of additional objects, including dozens of new near-Earth objects and several hundred trans-Neptunian objects.

The Vera C. Rubin Observatory has identified more than 11,000 previously unknown asteroids using early, preliminary observations. This result was produced from initial engineering-quality data gathered during the observatory's early operations. Rubin's 8.4-meter mirror and its very large camera let it image large swaths of the southern sky repeatedly, making it well suited to spot faint, moving objects. Scientists say these early discoveries show how the survey will reshape the inventory of small bodies in the solar system. Recent findings: - More than 11,000 previously unknown asteroids were reported from Rubin's early data. - Rubin measured more precise orbits for tens of thousands of additional objects. - The observatory identified 33 previously unknown near-Earth objects; the statement said none of those newly reported NEOs pose a threat to Earth. - Roughly 380 trans-Neptunian objects were detected in the early dataset. - Rubin's 8.4-meter mirror and the largest camera built for astronomy enable repeated imaging of the southern sky every few nights, supporting detection of faint and fast-moving objects. - Officials estimate that once Rubin is fully operational it could raise the fraction of known larger NEOs from about 40% to roughly 70% through continuous monitoring. Summary: Rubin's initial results expand the catalog of known small bodies and deliver more precise orbital data that scientists and planetary defense programs use for tracking. Full science operations are pending and are expected to substantially increase the rate of discoveries as the survey repeatedly images the sky.