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POLICY

Type: Web Content Article
Date/Time: 2020-07-06 13:33 UTC

ABC ABC

Type: Web Content Article
Date/Time: 2020-07-16 06:46 UTC

Close Approach Fact Sheet for asteroid (52768) 1998 OR2

Type: Web Content Article
Date/Time: 2020-01-21 13:45 UTC

The ESA SSA-NEO Coordination Centre has released the July newsletter.

Type: Web Content Article
Date/Time: 2019-06-20 23:27 UTC

Introduction The European Space Agency (herein the “Agency” or “ESA”) is an intergovernmental organisation established by its Convention opened for signature in Paris on 30 May 1975 having its...

Type: Web Content Article
Date/Time: 2020-09-10 12:20 UTC

Restricted Information

Type: Web Content Article
Date/Time: 2019-06-20 23:28 UTC

Access to, and use of, this ESA website constitutes acceptance of the following general terms and conditions. It is also required that you are aware and agree to the following privacy policy.

Type: Web Content Article
Date/Time: 2020-07-09 15:47 UTC

Last update: 2020-12-04 10:00 UTC On this page, the NEOCC provides problems (we call them 'riddles') related to the observation of NEOs, their dynamics and their characterisation. In irregular...

Type: Web Content Article
Date/Time: 2019-09-09 06:56 UTC

It is possible to visualise the orbits of all asteroids in our database by entering their name, provisional designation or catalogue number. The position along the orbit is computed at regular time...

Type: Web Content Article
Date/Time: 2019-06-05 09:00 UTC

Asteroid and Comet Trajectory Propagator (NEOPROP) In 2012, Astos Solutions developed for ESA a new orbital propagator algorithm in order to assess the potential risk of impact of an NEO. The...

Type: Web Content Article
Date/Time: 2019-08-13 12:42 UTC

The first part of the Discovery Statistics page

Type: Web Content Article
Date/Time: 2019-06-04 14:05 UTC

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...

Type: Web Content Article
Date/Time: 2019-08-08 09:27 UTC

The word NEO stands for near-Earth object, indicating a small body of the Solar System which can come into the Earth’s neighbourhood. A broad classification of NEOs distinguishes NECs (near-Earth...

Type: Web Content Article
Date/Time: 2019-08-08 09:28 UTC

Even if an asteroid misses the Earth, it can come back and hit our planet in a subsequent "return". Whether this happens or not, depends on whether the object passes through well-defined regions in...

Type: Web Content Article
Date/Time: 2019-08-08 09:29 UTC

The first NEA, (433) Eros, was discovered by Gustav Witt from the Urania Sternwarte Berlin and independently by Auguste Charlois from the Observatoire de Nice, on 13 August 1898. The discovery...

Type: Web Content Article
Date/Time: 2019-08-08 09:30 UTC

SSA is the acronym of ESA's "Space Situational Awareness" programme, which was the precursor to the current Space Safety Programme. SSA ran between 2009 and 2019. More info at:...

Type: Web Content Article
Date/Time: 2019-08-08 09:31 UTC

The Torino scale is a function of the impact energy and probability of the event, with no reference to the time of impact. In the Palermo scale, the risk posed by a possible impactor is compared to...

Type: Web Content Article
Date/Time: 2020-10-16 07:23 UTC

S2P is the acronym for ESA's "Space Safety Programme”. Its aim is "the protection of our planet, humanity and assets in space and on Earth from dangers originating in space". More info at:...

Type: Web Content Article
Date/Time: 2021-02-04 15:55 UTC

PDO is the acronym of ESA’s Planetary Defence Office within its Space Safety programme (S2P). The goals of the Office are to: 1) be aware of the current and future position of near-Earth objects...

Type: Web Content Article
Date/Time: 2019-06-04 14:00 UTC

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...

Type: Web Content Article
Date/Time: 2019-06-07 11:29 UTC

In the last observing slot at ESA's 1-m telescope on Tenerife, the previously 'lost' object 2009 XZ1 has been recovered. E. Schwab (Germany) has planned and analyzed the observations. The Minor...