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Type: Document
Date/Time: 2022-08-05 08:07 UTC

August 2022 Newsletter

Type: Document
Date/Time: 2022-03-04 12:25 UTC

March 2022 Newsletter

Type: Document
Date/Time: 2022-09-05 14:00 UTC

September 2022 Newsletter

Type: Document
Date/Time: 2021-07-06 08:49 UTC

July 2021 Newsletter

Type: Document
Date/Time: 2023-02-06 12:48 UTC

February 2023 Newsletter

Type: Document
Date/Time: 2022-01-05 12:31 UTC

January 2022 Newsletter

Type: Document
Date/Time: 2023-01-05 12:17 UTC

January 2023 Newsletter

Type: Document
Date/Time: 2022-06-06 13:29 UTC

June 2022 Newsletter

Type: Document
Date/Time: 2019-08-02 11:07 UTC

We took the opportunity of the ExoMars 2016 launch to organize a ground-based observational campaign. The goal was to test, in a reverse mode, the observational scenario needed to monitor the approach of a small Earth impactor. The spacecraft and other hardware related to the launch was successfully imaged;

Type: Document
Date/Time: 2019-08-02 11:09 UTC

This month, while reading this newsletter, you will find an object designated with a “non-standard” name: XDg2F93. Labels like this, not following the standard form of year + letters + numbers,are called “temporary designations”.

Type: Document
Date/Time: 2019-08-02 15:39 UTC

Two large objects have been observed in the month ofJuly. (85989) 1999 JD6 had a distant encounter with the Earth, while the newly discovered asteroid 2015 OL35 entered our priority list for follow-up observations.

Type: Document
Date/Time: 2019-08-02 11:11 UTC

A new release of our NEO Web Portal is on-line at http://neo.ssa.esa.int/. It represents a major update of the SSA-NEO system since it includes a number of new functionalities and an improved graphics. The possibility of visualizing the actual trajectory of an NEO including gravitational perturbations and an enlarged plot at close encounter has been implemented.

Type: Document
Date/Time: 2019-08-02 15:30 UTC

Over the past few days there has been a significant media interest in 2015 TB145, a large asteroid that flew past Earth on the night of Halloween. Apart for the popularity of the event generated by the date,the fly-by itself is interesting from a scientific perspective, because it was discovered only three weeks before its closest approach.

Type: Document
Date/Time: 2019-08-02 15:42 UTC

In recent years, it has become increasingly common for ground-based surveys to discover small objects that seem to be in distant Earth-centred orbits. Most of them turn out to be man-made spacecraft or upper stages of spent rockets residing in Earth’s region.

Type: Document
Date/Time: 2019-08-02 15:31 UTC

During the month of September a news circulated on European media claiming that between 22 and 28 September the Earth would have been hit by meteorites and other cataclysmic events.

Type: Document
Date/Time: 2019-08-02 15:47 UTC

On 25 March 2015 our website experienced unusually high traffic for a few hours, seven times above our average rate. We tracked this boost of popularity to some news about the flyby of asteroid 2014 YB35 that were circulating on the web around that time.

Type: Document
Date/Time: 2019-08-02 15:34 UTC

September 2015 Newsletter

Type: Document
Date/Time: 2019-08-02 11:12 UTC

In the month of December, (29075) 1950 DA, an old NEA, entered the risk list in a peculiar way: the addition is not based on new observations but it is the combined result of an already existing good observational coverage for this object, together with a newly implemented dynamical model now available at NEODYS.

Type: Document
Date/Time: 2019-08-02 12:12 UTC

November was a month of close approaches of many small objects. A particularly interesting case was 2015 VY105, which came to less than 30 000 km from the Earth’s surface on 15 November.

Type: Document
Date/Time: 2022-12-20 11:21 UTC