Now available in MNRAS (Mon. Not. R. Astron. Soc.) for March 2026: Volume 546, Issue 4Wang, Q. Cheng, B. Dai, W-Y. et al. Threshold velocity of wind erosion on the surface of comet 67P stag200Yaginuma, A. Taylor, A. G. Seligman, D.… Read More »Note, Paper: Comets and Quasi-Comets Alike
Let’s see what else we can see on our little traveler: https://www.astronomerstelegram.org/?read=17726 Bockelee-Morvan, D. Langevin, Y. Poulet, F. et al. Detection of H2O in the coma of interstellar comet 3I/ATLAS with MAJIS/JUICEATel #17726; on 23 Mar 2026; 14:32 UT 3I/ATLAS… Read More »ATLAS Gas Passed MAJIS
The Lunar and Planetary Science Conference continues into day 3-4, Wednesday and Thursday. https://www.hou.usra.edu/meetings/lpsc2026/ https://www.hou.usra.edu/meetings/lpsc2026/program/ See also: Part I Of the (large) program, here’s my small-body selections: Wednesday, March 18, 2026 Differentiated Bodies: Petrology and Cosmochemistry Neumann W. et al. … Read More »LPSC 2026- Part II
More data points on our interstellar comet: www.astronomerstelegram.org/?read=17719 Bolin, B. Wong I. Abron, L-M. December 2025 Gemini spectroscopic and photometric constraints on the activity and gas contents of 3I/ATLASATel #17719 The Gemini telescopes (that’s right, two of them) are “facility”… Read More »ATLAS Activity/Gas Track Telegram
Breaking news from the arXiv preprint site: Astrophysics > Earth and Planetary Astrophysics arxiv.org/abs/2603.10350Ren, X. Yan, W. Zhao, R. et al. Interstellar Object 3I/ATLAS Observed from Mars by China’s Tianwen-1 Spacecraft Standard Disclaimer: ArXiv is ArXiv. If you haven’t gathered… Read More »China Flight Sights 3I
Wow, what a day for preprints (i. e., the arXiv site): Astrophysics > Earth and Planetary Astrophysics arxiv.org/abs/2603.06911Cordiner, M. Roth, N. X. Micheli, M. et al. Isotopic Evidence for a Cold and Distant Origin of the Interstellar Object 3I/ATLAS arxiv.org/abs/2603.07026Salazar… Read More »ATLAS Gas And Atom-Mass Variant Preprints
Time for the third International Online Conference on Universe (4-6 March, online of course): https://sciforum.net/event/IOCU2026 The word “Universe” means most of the meeting is not about asteroids, or even comets. Mostly it covers cosmology and physics, as expressed in i.… Read More »3rd International Online Conference on Universe (’26)
Let’s check up on our guest comet, courtesy of arXiv: Astrophysics > Earth and Planetary Astrophysics 2602.23586Medler, K. Hoogendam, W. B. Ashall, C. et al. Contemporaneous Optical and Near-Infrared Observations of the Interstellar Comet 3I/ATLAS Pre- and Post-Perihelion[Submitted on 27 Feb… Read More »3I/ATLAS Tracking (Gases and Path Stats)
Yet again, the February issue of A&A (vol. 706) still says “in progress”. But March is up, so here goes: Carruba, V. Sfair, R. Winter, O. C. The dynamically hazardous asteroid 2025 TV10 – A new co-orbital asteroid of Venus … Read More »Note, Paper: Hot Mess (or Not)
Mustn’t let our interstellar guest slip away unnoticed: Astrophysics > Earth and Planetary Astrophysics arxiv.org/abs/2602.21586Hartman, J. D. Bakos, G. Á. Jordan, A. et al. HATPI Pre-Perihelion Time-series Photometry of the Interstellar Comet 3I/ATLAS[Submitted on 25 Feb 2026] Standard Disclaimer: The… Read More »HATPI ATLAS Chance Gathering