Last update: 2024-08-02 14:00 UTC Exercise     Exercise    Exercise This document does not describe a real asteroid impact threat. The information here is fictional and provided only to support...

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Summary 2008 TC3 was the first object detected in space prior to impacting the Earth. Discovery occurred at 06:39 UTC on 7 October 2008 by the Catalina Sky Survey and the meteoroid entered the...

Summary 2018 LA was the third object to be detected before impacting the Earth. The meteoroid was discovered at 08:22 UTC on 2 June 2018 by the Mount Lemmon Survey and impacted the atmosphere over...

Summary 2014 AA was the second object to be detected before impacting the Earth. The meteoroid was discovered on 1 January 2014 by the Mount Lemmon Survey and impacted the atmosphere over the...

This table contains a list of NEAs with confirmed 100% Earth impact. The columns provide key parameters used in the assessment, including nominal impact time, absolute magnitude, and estimated size...

Providing orbital data through VO protocols.

The NEOCC is ESA's centre for observing and computing asteroid orbits and assessing their impact risk.

Close Approach Fact Sheet for asteroid 2024 YR4 (version 1.0)

Our search engine provides a comprehensive exploration of the entire asteroid database, offering a wide range of filtering options based on object group, risk class, orbital parameters,...