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Type: Document
Date/Time: 2024-07-01 12:39 UTC

Type: Document
Date/Time: 2024-07-01 12:39 UTC

Type: Document
Date/Time: 2024-11-04 13:39 UTC
Type: Document
Date/Time: 2024-11-29 14:08 UTC
Type: Document
Date/Time: 2022-02-25 15:29 UTC
Type: Document
Date/Time: 2019-07-31 13:24 UTC

On 25 April 2018 ESA’s Gaia Data Processing and Analysis Consortium published the second release of the mission data products (known as Data Release 2, or DR2 for short). For the first time, Gaia astrometry of more than 14 000 known asteroids was made public, showing that the spacecraft can achieve astrometric precisions at the milliarcsecond level.

Type: Document
Date/Time: 2023-03-06 16:32 UTC

March 2023 Newsletter

Type: Document
Date/Time: 2020-06-25 10:17 UTC

April 2020 Newsletter

Type: Document
Date/Time: 2021-02-05 12:21 UTC

February 2021 Newsletter

Type: Document
Date/Time: 2020-11-25 13:51 UTC
Type: Document
Date/Time: 2019-07-31 14:51 UTC

Every month about 40 known or recently discovered asteroids come within 0.05 astronomical units, or about 19 lunar radii, from our planet. In some cases, such as in the month of December 2016,four or even five objects reach their closest approach distance on the same day.

Type: Document
Date/Time: 2023-02-23 08:41 UTC
Type: Document
Date/Time: 2020-11-05 09:36 UTC

November 2020 Newsletter

Type: Document
Date/Time: 2023-02-24 14:07 UTC
Type: Document
Date/Time: 2024-11-29 14:09 UTC
Type: Document
Date/Time: 2023-02-23 08:41 UTC
Type: Document
Date/Time: 2020-09-04 08:19 UTC

September 2020 Newsletter

Type: Document
Date/Time: 2019-07-31 14:35 UTC

Asteroid 2012 TC4is the target of an international observing campaign that will culminate this month during its close fly-by with Earth. The object will safely fly at about 44 000 km from the Earth surface, with no chance of collision with our planet.

Type: Document
Date/Time: 2023-07-05 15:04 UTC

July 2023 Newsletter

Type: Document
Date/Time: 2023-01-26 11:44 UTC

Asteroid 2023 BU

Type: Document
Date/Time: 2023-02-14 09:07 UTC
Type: Document
Date/Time: 2023-02-23 08:40 UTC
Type: Document
Date/Time: 2022-06-30 08:21 UTC
Type: Document
Date/Time: 2024-03-20 13:04 UTC
Type: Document
Date/Time: 2024-01-24 09:45 UTC
Type: Document
Date/Time: 2024-07-01 12:40 UTC

Type: Document
Date/Time: 2022-09-27 15:10 UTC
Type: Document
Date/Time: 2022-09-27 15:07 UTC
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: 2019-12-20 09:30 UTC

Type: Document
Date/Time: 2024-11-04 13:39 UTC
Type: Document
Date/Time: 2020-07-27 14:02 UTC

Type: Document
Date/Time: 2020-08-27 08:09 UTC

Type: Document
Date/Time: 2025-01-31 09:11 UTC
Type: Document
Date/Time: 2022-11-22 15:06 UTC
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: 2020-06-25 10:22 UTC

June 2020 Newsletter

Type: Document
Date/Time: 2024-12-05 16:08 UTC

December 2024 Newsletter

Type: Document
Date/Time: 2024-08-05 17:32 UTC

August 2024 Newsletter

Type: Document
Date/Time: 2023-11-07 15:04 UTC

November 2023 Newsletter

Type: Document
Date/Time: 2023-10-05 13:58 UTC

October 2023 Newsletter

Type: Document
Date/Time: 2024-08-16 08:23 UTC
Type: Document
Date/Time: 2020-11-05 09:33 UTC

Type: Document
Date/Time: 2025-02-05 15:45 UTC

February 2025 Newsletter

Type: Document
Date/Time: 2024-02-05 12:59 UTC

February 2024 Newsletter

Type: Document
Date/Time: 2019-07-30 14:45 UTC

The asteroid ground track displayed below represents the movement of the sub-asteroid point over the Earth, from the time of the first observation to its approach to the Southern part of Africa, just before its impact.

Type: Document
Date/Time: 2024-09-06 12:39 UTC

September 2024 Newsletter

Type: Document
Date/Time: 2023-09-05 11:15 UTC

September 2023 Newsletter

Type: Document
Date/Time: 2020-11-26 10:28 UTC

Type: Document
Date/Time: 2023-02-14 09:07 UTC
Type: Document
Date/Time: 2022-03-14 15:14 UTC
Type: Document
Date/Time: 2022-01-18 17:26 UTC

Asteroid 7482 1994PC1

Type: Document
Date/Time: 2023-03-20 13:25 UTC

Type: Document
Date/Time: 2023-02-23 08:41 UTC
Type: Document
Date/Time: 2022-10-04 15:17 UTC
Type: Document
Date/Time: 2022-12-05 13:06 UTC

December 2022 Newsletter

Type: Document
Date/Time: 2024-06-05 14:00 UTC

June 2024 Newsletter

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

February 2023 Newsletter

Type: Document
Date/Time: 2021-12-03 14:09 UTC

December 2021 Newsletter

Type: Document
Date/Time: 2022-04-05 14:49 UTC

April 2022 Newsletter