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The daily processing of asteroid observations by Gaia
Paolo Tanga, Francois Mignard, Aldo Dell Oro +15
The Gaia mission started its regular observing program in the summer of 2014, and since then it is regularly obtaining observations of asteroids. This paper draws the outline of th…
New constraints on Saturn's interior from Cassini astrometric data
Valéry Lainey, Robert A. Jacobson, Radwan Tajeddine +15
Using astrometric observations spanning more than a century and including a large set of Cassini data, we determine Saturn's tidal parameters through their current effects on the o…
The astrometric Gaia-FUN-SSO observation campaign of 99 942 Apophis
W. Thuillot, D. Bancelin, A. Ivantsov +71
Astrometric observations performed by the Gaia Follow-Up Network for Solar System Objects (Gaia-FUN-SSO) play a key role in ensuring that moving objects first detected by ESA's Gai…
Astrometric observations of Phobos and Deimos during the 1971 opposition of Mars
V. Robert, V. Lainey, D. Pascu +4
Accurate positional measurements of planets and satellites are used to improve our knowledge of their dynamics and to infer the accuracy of planet and satellite ephemerides. In the…
Astrometric positions for 18 irregular satellites of giant planets from 23 years of observations
A. R. Gomes-Júnior, M. Assafin, R. Vieira-Martins +12
The irregular satellites of the giant planets are believed to have been captured during the evolution of the solar system. Knowing their physical parameters, such as size, density,…
The Gaia Mission, Binary Stars and Exoplanets
Laurent Eyer, Lorenzo Rimoldini, Berry Holl +8
On the 19th of December 2013, the Gaia spacecraft was successfully launched by a Soyuz rocket from French Guiana and started its amazing journey to map and characterise one billion…