GENERAL SEARCH

Tag Facet

Total found (533)

No results were found that matched the keywords: .
Search Results
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...

Type: Web Content Article
Date/Time: 2021-01-22 11:11 UTC

A revision of the Apophis impact hazard assessment

Type: Web Content Article
Date/Time: 2021-01-04 11:30 UTC

Possible extension for the Hayabusa2 mission

Type: Web Content Article
Date/Time: 2020-11-24 07:17 UTC

The closest non-impacting asteroid

Type: Web Content Article
Date/Time: 2020-11-23 10:10 UTC

The full orbit determination and impact monitoring computations being performed at our premises

Type: Web Content Article
Date/Time: 2020-08-18 15:47 UTC

The fly-by of 2020 QG asteroid

Type: Web Content Article
Date/Time: 2020-07-03 08:00 UTC

The fly-by of 2020 HS7 asteroid

Type: Web Content Article
Date/Time: 2020-07-03 08:07 UTC

The fly-by of 2020 JJ asteroid

Type: Web Content Article
Date/Time: 2020-07-03 07:43 UTC

NEO Coordination Centre's observing campaign to track the fly-by of BepiColombo

Type: Web Content Article
Date/Time: 2020-06-25 11:35 UTC

ESA's NELIOTA project detects the flash of light produced when an asteroid collides energetically with the lunar surface and recently recorded its 100th impact.

Type: Web Content Article
Date/Time: 2020-06-25 11:13 UTC

Planetary Defence office we took the opportunity of the Solar Orbiter launch to perform an observational exercise, attempting to image the departing spacecraft with a ground based optical telescope.

Type: Web Content Article
Date/Time: 2020-01-21 14:02 UTC

The year has just started, and we already have a very interesting discovery of a new and so far unique asteroid.

Type: Web Content Article
Date/Time: 2019-12-23 10:09 UTC

If you check our current risk list, you will notice that a significant number of objects in the top positions are extremely “old”, discovered in the first decade of the century.

Type: Web Content Article
Date/Time: 2019-12-23 10:04 UTC

Over the past week, the Near-Earth Object (NEO) community in general, and ESA’s NEO Coordination Centre (NEOCC) in particular, have been involved in an interesting example of the process of...

Type: Web Content Article
Date/Time: 2019-12-23 09:14 UTC

Asteroid 2006 QV89, a small object 20 to 50 meters in diameter, has been in the news lately, because of a very small 1-in-7000 chance of impact with the Earth on 9 September 2019.

Type: Web Content Article
Date/Time: 2019-12-23 09:45 UTC

One month ago, NEOCC team ruled out the possibility that asteroid 2006 QV89 would impact the Earth this September by making a “non-detection”, i.e. observing the area of the sky where the asteroid...

Type: Web Content Article
Date/Time: 2019-12-23 09:37 UTC

On 25 July, an asteroid the size of a football field flew by Earth, coming within 65 000 km of our planet’s surface during its closest approach – about one fifth of the distance to the Moon.

Type: Web Content Article
Date/Time: 2019-12-23 09:19 UTC

A new paper by Alessio Del Vigna and collaborators, published this week in the Astronomy and Astrophysics journal, significantly revised the chances of impact of (410777) 2009 FD.

Type: Web Content Article
Date/Time: 2019-12-23 09:07 UTC

Hera will show us things we have never seen before. Astrophysicist and Queen guitarist Brian May tells in the next video the story of the ESA mission that would be humanity's first-ever spacecraft...

Type: Web Content Article
Date/Time: 2019-12-23 08:28 UTC

For the fifth year, Asteroid Day is going to be celebrated worldwide on 30 June.

Type: Web Content Article
Date/Time: 2019-06-06 11:34 UTC

ESA’s Planetary Defence Office (PDO) has participated with several presentations at the 6th IAA Planetary Defense Conference held in College Park, near Washington, between 29 April and 3 May.

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...