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Type: Web Content Article
Date/Time: 2019-06-06 11:32 UTC

A newly-established collaboration between our team and the Instituto de Astrofísica de Canarias (IAC) led to the first-ever observation of an NEA with the 10.4 m Gran Telescopio Canarias (GTC). We...

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

The number of known near-Earth asteroids (NEAs) reached the round total of 20 000 this week. This family of asteroids whose orbit brings them close to Earth is steadily growing at a pace of roughly...

Type: Web Content Article
Date/Time: 2019-06-06 11:26 UTC

A few months ago a long thin tail was noticed on main belt asteroid (6478) Gault. An international collaboration led by scientists of the Institute for Astronomy of the University of Hawaii...

Type: Web Content Article
Date/Time: 2019-06-06 11:20 UTC

Andrea Milani, professor of mathematics at Pisa University, passed away unexpectedly last Wednesday while cycling near Pisa. With his deep knowledge and understanding on the Solar System dynamics,...

Type: Web Content Article
Date/Time: 2019-06-07 11:35 UTC

A potentially hazardous asteroid once found but then lost has been rediscovered and its orbit confirmed by a determined amateur astronomer working with ESA's space hazards programme. The...

Type: Web Content Article
Date/Time: 2019-06-07 11:25 UTC

During the last observing run with the ESA 1-m telesope on Tenerife (the OGS = Optical Ground Station) the SSA-NEO programme successfully recovered three 'lost' NEOs. In addition, one new NEO was...

Type: Web Content Article
Date/Time: 2019-06-07 11:21 UTC

A little-known asteroid will skim past Earth on 15 February, passing just 28 000 km from our planet. The 50 m-diameter chunk of space rock was discovered last year by ESA-sponsored amateur...

Type: Web Content Article
Date/Time: 2019-06-07 11:37 UTC

While the sky becomes more and more continuously scanned by ground and space-based NEO surveys, discovering objects in unusual orbital configurations represents the new frontier. Their dynamics...

Type: Web Content Article
Date/Time: 2019-06-06 15:12 UTC

Last month, ESA's near-Earth asteroid coordination centre triggered a series of European observations that confirmed an unknown object was, in fact, of human origin. The confirmation was the...

Type: Web Content Article
Date/Time: 2019-06-06 15:08 UTC

Soon after having been spotted in the sky on 8 October 2013 from the Crimean Astrophysical Observatory (Ukraine), asteroid 2013TV135 topped the Risk Page. Being a relatively large object (500 m in...

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

On 8 November 2013 asteroid 2013 TV135 has been removed from the Risk Page. The non-zero impact probability spotted by monitoring systems just after its discovery (on 8 October 2013) dropped...

Type: Web Content Article
Date/Time: 2019-06-06 15:05 UTC

If an asteroid is discovered which could come very close to Earth, it is important to coordinate observational activities quickly to better know its precise flyby distance.This is illustrated by...

Type: Web Content Article
Date/Time: 2019-06-06 15:01 UTC

The first recovery campaign carried out by the ESA NEO Coordination Centre in coordination with ESO, using the Very Large Telescope (VLT) (VLT telescopes on the Paranal mountain in Chile (credit:...

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...