Referencing Taylor et al. 2024: Aug 7 Jonathan O’Callaghan The mysterious ‘dark comets’ prowling our Solar Systemwww.bbc.com/future/article/20250807-a-japanese-spacecraft-is-racing-toward-a-mysterious-dark-comet-to-discover-the-secrets-it-holds The BBC- usually pretty good on technical topics- has a nice writeup of our current state in “dark comets”- asteroids that show nongravitational… Read More »Dark “Comet”… Part Trois
In Icarus for 1 Sep (vol. 437): Pilorz, S. Jenniskens, P. Sun Close-Encounter model of Long-Period Comet and Meteoroid Orbit Stochastic Evolution Art. 116559 .2025.116559 Lu, M. Yi, W. Xue, X. et al. Comparison of meteor shower observed by two… Read More »Note, Paper: N-Rates Papers
It will soon be time for ICAACM– the International Conference on Astronomy, Astrometry, and Celestial Mechanics, on August 9. The agenda, such as it is: www.global-meetings.com/icaacm/papers.html Unfortunately, there’s nothing posted publicly. Next best: the solicitation. (Topics include but are not… Read More »ICAACM (Astronomy, Astrometry, & Celestial Mech.) 2025
This week will see the 16th Planetary Crater Consortium Meeting, in Boulder, CO (SwRI campus). It will actually overlap the Instrumentation for Planetary Missions Workshop, also in Boulder. As a subfield of geophysics, cratering can be purely theoretical and body-independent.… Read More »Planetary Crater Consortium Meeting 2025
Wow, good Astronomy & Astrophysics for July (vol 699): Smirnov, E. A. Chaotic diffusion and transient resonance captures of the near-Earth asteroid 2024 YR4 A26 202554489 Läuter, M. and Kramer, T. Rotation dynamics and torque efficiency of cometary nuclei A75 202553845… Read More »Note, Paper: A&A Eleven Ways
We’re due for a PSJ (Planetary Science Journal) (2025- vol. 6) update- way overdue, apparently: Helfenstein, P. Verbiscer, A. J. On Error Estimates for Hapke Photometric Model Parameters from Disk-integrated Phase Curves of Airless Planetary Bodies 144 adcd5dLee, A. Kavelaars, J. J.… Read More »Note, Paper: PSJ Ten Ways
The July edition of Meteoritics & Planetary Science (vol. 60, #7) has been posted: Laforet, S. Leroux, H. Le Guillou, C. et al. Silicate–sulfide interaction within quenched melts of space weathered Ryugu grains Pgs 1480 .14366Rubin, A. E. Selective sampling… Read More »Note, Paper: Sometimes You Feel Like A Sulf
In the illustrious journal Nature (well, Nature Communications) vol. 16: Genge, Matthew J. Almeida, Natasha V. van Ginneken, Matthias et al. Abundant microchondrules in 162173 Ryugu suggest a turbulent origin for primitive asteroids 6466 s41467-025-61357-1 Yet again, I’ll state: most asteroids (the… Read More »Note, Paper: Early-Disk Grit
The Rubin Observatory Community Workshop 2025 continues, all week. Its program: https://project.lsst.org/meetings/rubin2025/program/agenda (see also Pt. 1) The observatory and project staff (not all on the mountaintop, or even Chile + US) are gathering for a head-to-head on the program and… Read More »Rubin Community Workshop 2025- Pt. 2
Two arXiv papers I had reported on previously have been updated. Nothing Earth-shattering, but: Astrophysics > Earth and Planetary Astrophysics arxiv.org/abs/2507.02757v3[Submitted on 3 Jul 2025 (v1), last revised 24 Jul 2025 (this version, v3)]Seligman, D. Z. Micheli, M. Farnocchia, D.… Read More »3I/ATLAS Rehash