NEO Information Centres NEODyS - The Near-Earth Object Dynamic Site https://newton.spacedys.com/neodys/ AstDyS - The Asteroids Dynamic Site https://newton.spacedys.com/astdys/ The Minor Planet...

Additional information

ESA's Optical Ground Station (OGS) is a facility built by ESA to support tests of optical communication between Earth and orbiting satellites. The instrument is routinely used by ESA's Space Safety...

The Schmidt telescope of the Centro Astronómico Hispano en Andalucía (CAHA Schmidt) was first installed in 1955 at the Hamburg Observatory in Germany, and subsequently moved to the Calar Alto...

An interesting connection between Earth Observation and NEO monitoring activities has been unveiled through the NEO Coordination Centre participation at the "Big Data From Space" meeting, held at...

ESA and national disaster response offices recently rehearsed how to react if a threatening space rock is ever discovered to be on a collision course with Earth. Last month, experts from ESA's...

ESA’s expanding observational network forms the first pillar of its programme for planetary defence. Thanks to a number of telescopes either directly owned, funded or in scientific agreement with...

Near-Earth Object Population Observation Program (NEOPOP) During activities related to ESA's Space-Situational Awareness (SSA) programme, the need for an observation system simulation software tool...

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...

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

  The Image Archive search form allows to explore and find images collected during dedicated observation campaigns. The search filter is based on:   Observatory. IAU code and name of the...

  The table in this page contains information about objects that were in the Risk List and were subsequently removed, because no virtual impactors within the next 100 years were found after a given...

  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,...

  The observation priority list is computed as described in the reference provided in the description paragraphs in the associated web page. The variables provided in the table are the following:  ...

  The tables are accessible from the menu by the Fireballs section and the Observations section. In each section a list of all fireballs or observations present in the database are displayed.  ...

  Orbit Properties This page contains information about orbital properties of the object, as computed by the Aegis Orbit Determination and Impact Monitoring system. Orbital elements at a refence...

  The first table includes all objects for which a non-zero impact probability has been computed, considering only impacts in the next 100 years. The second table, called Special Risk List,...

  These tables contain close approaches of NEAs with the Earth within 0.05 au foreseen in the next year (Upcoming close approached to Earth), or that happened in the past 30 days (Recent close...

  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...