EU-ESA Workshop on Size Determination of Potentially Hazardous Near-Earth Objects

Session

Miscellaneous observations of NEOs

13 Nov 2024, 13:00

Rooms H.IV, H.V and H.VI (ESOC)

30. Stellar occultations for NEA high-accuracy astrometry and size determination

Damya Souami

13/11/2024, 13:00

The powerful method of stellar occultations is an unbeatable technique uniquely approaching, in some aspects, the performances of planetary space missions. It allows km-level accuracies on the determination of shapes and sizes of objects, and down to a couple of hundred meters for sum-km sized NEAs.
Furthermore, it allows to derive, from ground using small aperture telescopes, asteroid...

16. Asteroid size determination from photometric/spectroscopic observations at the IAC (REMOTE)

Julia De León (Instituto de Astrofísica de Canarias, Tenerife, Spain; (2) Departamento de Astrofísica, Universidad de La Laguna, Tenerife, Spain)

13/11/2024, 13:25

Determining the size of an asteroid is scientifcally interesting, but also particularly relevant in the case of those objects that are considered as potential impactors: together with the distance to Earth, is one of the two criteria used to classify an asteroid as Potentially Hazardous. There are several ways to compute this physical property, some of them based on the acquisition of...

20. ESA’s Flyeye telescopes

Dora Föhring (ESA Near-Earth Coordination Center), Dr Ernesto Doelling (ESA)

13/11/2024, 13:50

The European Space Agency’s Flyeye telescopes will play a crucial role in global efforts to detect and track near-Earth objects (NEOs). Inspired by the compound vision of a fly, the unique design of Flyeye-1 divides its field of view into 16 subfields, enabling the telescope to scan a wide area of the sky every night.
This talk will explore the design and development of the Flyeye-1, focusing...

17. Observations of NEOs with the TRAPPIST telescopes in support of size determination using polarimetry and radar.

Elisabeth Petrescu (Space Sciences, Technologies & Astrophysics Research (STAR) Institute University of Liège Allée du 6 Août 19, 4000 Liège, Belgium)

13/11/2024, 14:15

Photometric observations of near-Earth asteroids (NEAs) using the TRAPPIST telescopes are regularly performed notably to support shape modeling using radar data as well as an effort to calibrate the relation between the albedo and the polarization displayed by NEAs. These two methods allow to obtain accurate size determination for these objects.
The TRAPPIST telescopes are two twin 60-cm...