This table contains a list of NEAs that impacted Earth and were detected prior to their entry in the Earth’s atmosphere. This table can also be also automatically downloaded through HTTPS APIs,...

Albedo The ratio of reflected sunlight to incident sunlight. Given an albedo and the distance of the asteroid from the Sun and the observer, the size of an object can be estimated from its...

The "API support" for the NEOCC web services is currently limited to some HTTPS GET requests with raw text-based responses. Note that the API is considered as experimental — pending funding...

Close approach fact sheet for asteroid 2018WV1. A small asteroid impacted the Earth on 02 December 2018

The asteroid ground track displayed below represents the movement of the sub-asteroid point over the Earth, from the time of the first observation to its approach to the Southern part of Africa, just before its impact.

Close approach fact sheet for asteroid 2010WC9. A small asteroid impacted the Earth on 15 May 2018.

The asteroid ground track is provided below starting one day before the closest approach and extending for 1.5 days. The curve represents the movement of the sub-asteroid point over the Earth along the mentioned time interval. The track starts in the Pacific ocean at magnitude 16 and progresses westwards.