Abstract The JUpiter ICy moons Explorer (JUICE) of ESA was launched on 14 April 2023
and will arrive at Jupiter and its moons in July 2031. In this review article, we describe how …

A stellar occultation occurs when a Solar System object passes in front of a star for an
observer. This technique allows the sizes and shapes of the occulting body to be determined …

We derive efficient, closed-form, differentiable, and numerically stable solutions for the flux
measured from a spherical planet or moon seen in reflected light, either in or out of …

ABSTRACT 2021 was the year of Jupiter's equinox, that is the Sun and the Earth passed
through the equatorial plane of the planet and therefore the orbital planes of its main …

The technique of mutual approximations accurately gives the central instant of the maximum
apparent approximation of two moving natural satellites in the plane of the sky. This can be …

Context. Bright stellar positions are now known with an uncertainty below 1 mas thanks to
Gaia DR2. Between 2019–2020, the Galactic plane will be the background of Jupiter. The …

Mutual events (MEs) are eclipses and occultations among planetary natural satellites. Most
of the time, eclipses and occultations occur separately. However, the same satellite pair will …

There is wide interest in the results of studies of the dynamics of satellites of planets. Such
data are needed to determine the physical properties of celestial bodies, and they may be …

Astrometry of Solar system objects needs to perform observations regularly since the
motions are fast and the dynamical models need sample of data on long intervals of time …

Harmon et al. Arecibo radar observations from 1992 provided some of the most precise line-
of-sight distance (ranging) measurements of Ganymede and Callisto to date. We report 18 …