Directly the PDO manager Richard Moissl Head of the Planetary Defence Office Space Safety Programme ESA/ESRIN, Frascati, Italy richard.moissl[@]esa.int  

NEO Information Centres The Minor Planet Center http://www.minorplanetcenter.org/iau/mpc.html NEODyS - The Near-Earth Object Dynamic Site https://newton.spacedys.com/neodys/ AstDyS - The Asteroids...

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...

It is widely acknowledged that NEO science is intriguing and often goes against common sense. A clear understanding of the meaning and importance of any text concerning near-Earth objects, their...

The possibility of browsing through the largest possible set of astronomical images and download them for inspection is extremely useful in order to find possible unidentified detections of NEOs or...

The ESA NEO Coordination Centre (NEOCC) is the operational centre of ESA’s Planetary Defence Office (PDO) within the Space Safety Programme (S2P). It is located at ESA's establishment ESRIN...

Fireballs and bright meteors are small-sized NEOs, typically centimetres to metres in diameter, that collide with the Earth. They are sufficiently small to disintegrate almost completely in the...