Some “asteroids” are actually dark comets. I repeat: some asteroids ACTUALLY COMETS: Taylor, A. G. Seligman, D. Z. Holman, M. J. et al. Strong Nongravitational Accelerations and the Potential for Misidentification of Near-Earth Objects a 190 ad85e3 In the Dec… Read More »N, P: When’s an Asteroid Not an Asteroid?
I mention that meteoritics, the study of meteorites in hand, often drills much deeper than astronomy (observing dots in the sky), or actual space flights (limited by mass, volume, power, data, etc.). In this paper (in the Dec. issue of… Read More »Note, Paper: Ge-ex-chimica
Little tidbit in Astronomical Journal, Vol 168, #6 (Dec 2): Ai, G. Yin, J. Cui, L. Learning Gravity Fields of Small Bodies: Self-adaptive Physics-informed Neural Networks a 242 ad7951 The AI hype continues. At this moment, there is no real… Read More »Note, Paper: More AI-steroids?
I missed this year’s Hayabusa Symposium, sorry. I was too tired from European Time to switch to Japan Time. And besides, the European Asteroid Size conference was looking forward, Hayabusa meetings are now (mostly…) looking back. In any case, this… Read More »2024 Hayabusa Symposium
Nothing new for anyone who already works in NEOs, but… here’s a nice overview paper. In the latest issue of Remote Sensing (vol. 16, issue 22, November #2): Espartero, F. Cubas, J. Nespral, D. et al. New Astronomical Observatory Design… Read More »Note, Paper: Get A Sense Of All Them
Not immediately applicable, but …soon: in the Publications of the Astronomical Society of the Pacific, November (vol. 136)- Lucas, M. Norris, B. Guyon, O. et al. Visible-light High-contrast Imaging and Polarimetrywith SCExAO/VAMPIRES art. 114504 ad89af The tech of adaptive optics… Read More »Note, Paper: Extreme Subaru
From the EU-ESA Workshop on Size Determination of Potentially Hazardous Near-Earth Objects: Wednesday, 11/13/24 ( … see also Monday and Tuesday) Polarimetric observations Double Trouble: Polarimetric Insights into the Didymos- Dimorphos post-DART Evolution Zuri GrayOn September 26, 2022, the NASA DART… Read More »Workshop: Size Determination of Potentially Hazardous NEOs pt. III
The EU-ESA Workshop on Size Determination of Potentially Hazardous Near-Earth Objects continues. For Tuesday, 11/12/24, we continued phase curves, but after that it was thermal infrared observations and polarimetry: https://indico.esa.int/event/530/contributions/ Absolute magnitudes and photometry from the MPC catalog Peter Vereš (Minor… Read More »Workshop: Size Determination of Potentially Hazardous NEOs pt. II
Ongoing: the EU-ESA Workshop on Size Determination of Potentially Hazardous Near-Earth Objects (https://indico.esa.int/event/530). Step one in “Planetary Defense” is, of course, to spot the Potentially Hazardous Objects (PHOs). But step two is also important: gauge the size of the threat object.… Read More »Workshop: Size Determination of Potentially Hazardous NEOs
The December Acta Astronautica (vol. 225) is a good one for orbital mechanics/flight dynamics people: Lantoine, G. Cox, A. Sweetser, T. et al. Trajectory & maneuver design of the NEA Scout solar sail mission p 77 .08.039Cohen, A. N. Lubin, P.… Read More »Note, Paper: Acta As. Path to Asts.