Stellar occultations for asteroid astrometry Motivations The high quality astrometry of Gaia offers unique opportunities for solar system science. Apart from t...
4337 Arecibo occultations on June/July/August 2021 (4337) Arecibo is a main belt asteroid with a diameter estimation of approximately 20 km. Recently, in work s...
65803 Didymos occultation on April 9, 2021 Didymos is an Earth crossing asteroid target of the NASA/DART and ESA/Hera mission. The April 9th occultation et 22:3...
Targeted campaigns Apophis 2021 99942 Apophis is a Near Earth Asteroid discovered on June 19, 2004, that temporarily reached the highest level of impact risk ...
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Occultation astrometry major goals The power of Gaia based predictions was demonstrated by the successful observation of a MU69/Arrokoth occultation (New Horizo...
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The poorly known L type asteroids and the intriguing Barbarians We investigate the poorly known L type asteroids as some of them (known as "Barbarians") are known...
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Observational opportunities until the end of year 2016 for all asteroids with accurate mass estimates (compiled from the literature), and for which shape models h...
Stellar occultations, preparing the Gaia era The technique of observation relies upon fast photometry and accurate absolute timing of the observations (by appropr...
Thermal modeling The most frequent method to determine the size (and volume) of an asteroid is fitting the thermal data observations (typically from IRAS, WISE, a...
Shape determination Orbital parameters are currently known for more than 500 000 asteroids. On the other hand, rotational states and shapes were determined only f...
Photometry One of the most important sources of information about asteroid physical parameters is photometry typical kilometer sized asteroids (up to diameters ...
Densities of asteroids: convex shape models and Gaia masses This project focus on the volume determination by scaling the convex shape models in size. To determin...
Densities of asteroids: convex shape models and Gaia masses This project focus on the volume determination by scaling the convex shape models in size. To determin...