In the January 2026 issue of Planetary and Space Science (vol. 270): Courtot, A. Shober, P. Vaubaillon, J. Orbit dissimilarity criteria in meteor showers: A comparative review Art 106231 .2025.106231 The dissimilarity criterion (“D” value) is how we group meteoroids… Read More »Note, Paper: Meteor Cohere Inquiry
Again, more goodies in Space Science Reviews for the new year (volume 222): Zhang, R. Zhang, H. Liu, J. et al. Tianwen-2 Mission of China’s Planetary Exploration Program 11 s11214-026-01268-9 The Tianwen-2 mission, launched last year, will rendezvous with asteroid… Read More »Space Science Reviews Tianwen-2
In the February 2026 Celestial Mechanics and Dynamical Astronomy (vol. 138 #1): Voyatzis, G. Gkolias, I. Gaitanas, M. et al. Terminator periodic orbits around binary asteroids: an application to the ESA Hera mission 2 s10569-025-10274-y Irregular shapes give irregular gravity… Read More »Note, Paper: Dimorphos Sol-oriented Orbits
Just out from Nature Geoscience (15 January 2026): Kitazato, K. Sakurai, S. Hyodo, R. et al. Surface rejuvenation of stony near-Earth asteroids triggered by planetary shadows s41561-025-01907-w We see active asteroids, including at least one (maybe multiple) that give us… Read More »Note, Paper: Eclipse Chips Spits Scrip
Holding on to this paper in Nat Commun Earth Environ (vol. 6, 2025) Discenza, M. E. Brunetti, M. T. Molaro, L. et al. Evidence for landslides triggered by impact events on Ceres Art 1042 s43247-025-03119-x Impacts cause craters, no doubt.… Read More »Note, Paper: Bolide Rockslide Writeup
So-so Icarus for Feb 2026 (vol 445): Rider-Stokes, B. G. Wong, A. Y. C. Burbine, T. H. et al. The Noritic mineralogy of V- and S-type objects and the links with asteroid (4) Vesta Art 116844 /j.icarus.2025.116844Castro-Cisneros, J. D. Malhotra,… Read More »Note, Paper: Rock Path Track Math
Good MNRAS (Monthly Notices of the Royal Astronomical Society) for January 2026: Volume 545, #1Trigo-Rodríguez, J. M. Grèbol-Tomàs, P. Ibáñez-Insa, J. et al. Assessing the metal and rare earth element mining potential of undifferentiated asteroids through the study of carbonaceous… Read More »Note, Paper: Flying-Mass MNRAS
Just posted on the ol’ arXiv, more engineering than science: Earth and Planetary Astrophysics > arxiv.org/abs/2601.02533Hibberd, A. Eubanks, T. M. Catching 3I/ATLAS Using a Solar OberthSubmitted on 5 Jan 2026 Not only is our object of interest ATLAS from another… Read More »3I High-Speed Flyby Try?
The call is out for the 2026 Schweickart Prize. The Prize awards the best new student idea in planetary defense, and related asteroid studies. CALL FOR STUDENT PROPOSALS: 2026 SCHWEICKART PRIZEhttps://www.schweickartprize.org/ Deadline: February 4, 2026. Information webinars with live Q&A… Read More »Call for 2026 Schweickart Prize
planetarygeomorphology.wordpress.comPlanetary Geomorphology Image of the MonthLobate Forms: Mass Movements Directly Linked to Impact Cratering Processes Craters have rims and floors. Sometimes, the rim collapses back onto the floor. And some of those times, the collapse is flowing and spreading, into… Read More »See Ceres Lee Scree