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Type: Web Content Article
Date/Time: 2019-06-07 08:46 UTC

A team of European astronomers has found a previously unknown comet, detected as a tiny blob of light orbiting our Sun deep in the Solar System.

Type: Web Content Article
Date/Time: 2019-06-07 09:50 UTC

After discussing what to do to ensure that an important NEO is adequately monitored (see "news archive"), we will now present a possible strategy to improve the orbit of old objects, that have not...

Type: Web Content Article
Date/Time: 2019-06-07 09:33 UTC

The observational component of NEO science is an extremely important part of the impact mitigation effort, since observations are the input data for all the computational models used to predict...

Type: Web Content Article
Date/Time: 2019-06-06 14:53 UTC

The ESA Optical Ground Station has quickly become a major asset for the NEO Coordination Centre, thanks to the many nights devoted to observing asteroids. It is located at an altitude of 2400 m on...

Type: Web Content Article
Date/Time: 2019-06-07 09:36 UTC

Spotting Earth-threatening asteroids is tough partly because the sky is so big. But insects offer an answer, since they figured out long ago how to look in many directions at once.

Type: Web Content Article
Date/Time: 2019-06-06 13:24 UTC

Each year, astronomers worldwide discover over 1000 new asteroids or other space rocks that could strike our planet. And if one is spotted heading towards Earth, experts working in ESA and national...

Type: Web Content Article
Date/Time: 2019-06-06 13:21 UTC

One of the major goals of the ESA NEO Coordination Centre is to focus observations on objects with non-zero impact probabilities. When an asteroid quickly becomes very faint just after discovery...

Type: Web Content Article
Date/Time: 2019-06-06 13:15 UTC

An object discovered on 3 October 2015, temporarily designated WT1190F by the observers, will enter the Earth's atmosphere on 13 November. It was discovered by the Catalina Sky Survey...

Type: Web Content Article
Date/Time: 2019-06-05 12:11 UTC

​​​​​​The impact of WT1190F in the Indian Ocean on 13 November (see our news item on 22 October) provided an excellent opportunity to simulate the observational sequence that needs to be triggered...

Type: Web Content Article
Date/Time: 2019-06-05 12:57 UTC

Asteroid 2016 RB1 has hit the news because of a peculiar close passage on 7 September 2016 at 19:20 CEST. About the size of a cottage, the asteroid flew past our planet at an altitude of 34000 km,...

Type: Web Content Article
Date/Time: 2019-06-05 14:16 UTC

The number of known near-Earth asteroids (NEAs) has just surpassed the threshold of 15000. That is a 50% increase over the number known in 2013, when we posted a similar news item on our portal for...

Type: Web Content Article
Date/Time: 2019-06-05 14:48 UTC

The word "precovery" has entered the astronomical jargon rather recently but it quickly grew in popularity among asteroid hunters. It refers to the finding of an archival observation of an object...

Type: Web Content Article
Date/Time: 2019-06-06 13:30 UTC

NELIOTA is an activity initiated by the European Space Agency (ESA), which was recently launched at the National Observatory of Athens. The project aims to count and characterise the number and...

Type: Web Content Article
Date/Time: 2019-06-06 09:31 UTC

An international campaign has revealed that an asteroid will come within 44 000 km of our planet in October, providing a rare opportunity for intensive studies. Astronomers recently spotted...

Type: Web Content Article
Date/Time: 2019-06-06 10:02 UTC

As part of an international observing campaign, the OSIRIS-REx spacecraft has been imaged during our normal monthly observing run on 16 September with the OGS telescope in Tenerife. In the attached...

Type: Web Content Article
Date/Time: 2019-06-06 10:19 UTC

A few weeks ago the Pan-STARRS survey discovered a new NEO, temporarily identified as P10G8tt and then formally designated 2018 AM12. Follow-up observations over the next few days allowed the...

Type: Web Content Article
Date/Time: 2019-06-06 10:37 UTC

During the first month of 2018 two objects reached a Torino Scale level of 1, and attracted the attention of observers with the goal of collecting additional observations necessary to remove the...

Type: Web Content Article
Date/Time: 2019-06-06 10:41 UTC

At approximately 09:30 UT on 14 April 2018 the Catalina Sky Survey, in Arizona, discovered a bright magnitude 15 object moving at a sky speed of 10" per minute, in the constellation Libra. ...

Type: Web Content Article
Date/Time: 2019-06-06 11:24 UTC

Every few hours observing the Moon, ESA’s ‘NELIOTA’ project discovers a brilliant flash of light across its surface – the result of an object hurtling through space and striking our unprotected...

Type: Web Content Article
Date/Time: 2021-03-29 09:51 UTC

New observations of asteroid Apophis rule out any chance of impact for at least a century