Author

J. de Wit

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Review Sep 2026

Small-Body Science with the Nautilus Space Observatory: From Cislunar Space Resilience to Mapping the Kuiper-Belt-to-Oort-Cloud Transition

A new generation of space-based observatories can transform small-body science from the local Earth-Moon environment to the Solar System's dynamical frontier, where planetary control gives way to Galactic tides and stellar encounters. Mapping this frontier would reveal how planetesimals were scattered during giant-plan...

J. de Wit, A. Burdanov, P. McGill et al. · 0 citations

Open access Sep 2026

Thermophysical characterization of the potentially hazardous near-Earth object 2024 YR4

The asteroid 2024 YR_4 is a potentially hazardous Apollo-type near-Earth object. Its highly eccentric orbit produces close Earth-Moon encounters roughly every 4 years. Based on the astrometry collected during the discovery apparition, the asteroid had a 4% probability of a lunar impact on 2032 December 22. A collection...

T. Müller, E. MacLennan, A. Burdanov et al. · Astronomy & Astrophysics · 0 citations

Open access Sep 2026

J0404+1112: A 3 hr Eclipsing White Dwarf–Brown Dwarf Probing Multiple Atmospheric Regimes

White dwarf–brown dwarf (WD+BD) binaries are rare laboratories for probing both substellar survival through post-main-sequence evolution and the physics of strongly irradiated atmospheres. We present time-resolved eclipse photometry and radial-velocity confirmation of J0404+1112, a compact (P = 2.93 hr), totally eclips...

J. de Wit, R. Alonso, B. Rackham et al. · Astrophysical Journal Letter... · 1 citation